#10.9 hex bolt

[ananka-fasteners]

Understanding Grade 12.9 Hex Head Bolts

Where the fasteners for securing machinery and structural parts are concerned, Grade 12.9 hex head bolts stand out due to their strength, durability, and reliability. In the following paragraphs, learn about the material, mechanical properties, applications, advantages, and a detailed FAQ section about Grade 12.9 hex head bolts.

What are Grade 12.9 Hex Head Bolts?

Class 12.9 hex head bolts are extremely strong fasteners. They often apply to applications where superior performance and reliability are required. The "12.9" in bolt designation refers to tensile strength, meaning that the bolt must have a minimum tensile strength of 1200 MPa and yield strength of 1080 MPa. These individual fasteners are identified by their hexagonal heads through which fasteners can easily be installed and withdrawn using standard tools. 

Composition of the Materials

Grade 12.9 bolts are normally made from alloy steel material, that is, carbon steel alloyed with various elements such as manganese, molybdenum and nickel. This improves the bolt's mechanical properties due to which it can be utilized under conditions of high stress. 

Normally, material composition includes the following: 

Carbon (C): Up to 0.40% 

Silicon (Si): Up to 0.40% 

Manganese (Mn): 0.60% to 0.90%

Molybdenum (Mo): 0.15% to 0.30%

Nickel (Ni): 0.40% to 0.70%

A common process in heat treatment is quenching and tempering. As a result, grade 12.9 provides significant strength.

Mechanical Properties

The mechanical properties of the Grade 12.9 bolts play a major role in successful high level applications. Those include:

Tensile Strength: Greater than or equal to 1200 MPa (Mega Pascals, which is the maximum tensile stress material can undergo without breakage.

Yield Strength: At least 1080 MPa, stress at which the bolt will deform permanently.

Elongation: Generally about 8-10%, amount by which bolt will extend before breaking.

Hardness: Typically measured on the Rockwell scale, usually, grade 12.9 has a hardness between 33-39 HRC (Rockwell Hardness Scale).

All these properties make bolts Grade 12.9 the best to use in many demanding environments: Both automotive and aerospace industries, among others within the construction area.

Applications of 12.9 Grade Hex Head Bolts

The 12.9 grade hex head bolts can be found in a variety of applications:

Automotive: Assemblies include engine, chassis, and suspension systems.

Aerospace: Applications where strength-to-weight ratio is essential in structural members

Construction: Heavy machinery, cranes, and structural members

Manufacturing: Equipment assembly where there is a need for strength fasteners in order to maintain stability and safety.

Higher Strength: Bolts Grade 12.9 have strength greater than that of the lower grades and hence are used for applications where loads are heavy.

Resistance to Wear, Fatigue, and Corrosion: The Bolts have high resistance against wear, fatigue, and corrosion due to which they can be used for long durations.

Versatility: The wide variety of sizes and lengths makes Grade 12.9 Bolts useful in many fields.

Safety: One of the strong bolts through which integrity of assemblies is ensured and mechanical failure is prevented.

Conclusion

Grade 12.9 hex head bolts possess excellent mechanical properties, durability, and versatile use to be increasingly applied in high strength fastening applications across industries. They have a claim in any highly sensitive application because people seek extreme strength, durability, as well as resistance against deformation while dealing with high-performance fasteners. When selecting fasteners for your work, take into consideration the particular requirements of your application and how Grade 12.9 bolts may benefit you.

Frequently Asked Questions

What is the difference between Grade 12.9 and other grades of bolts?

Grade 12.9 bolts have a higher tensile strength as compared to grade 8.8, 10.9, etc. This makes the bolts usable in applications involving higher loads and stresses.

Are Grade 12.9 bolts usable in corrosive environments?

Grade 12.9 bolts have a reasonable amount of strength and resistance toward corrosion. However, the bolts are not designed to be rust and corrosion resistant. Coatings or materials of appropriate kinds are to be used for the application of grade 12.9 bolts in corrosive environments.

How should the Grade 12.9 bolts be tightened?

You must notice that you should observe the manufacturer's recommended specification of torque settings when tightening Grade 12.9 bolts. A calibrated torque wrench assures that no over- or under-tightening will be applied on the bolts, thus compromising their integrity.

Are Grade 12.9 bolts reusable?

Grade 12.9 bolts may be reused but should always be inspected for signs of wear, deformation, or damage before being reinstalled. Where a bolt indicates distress, best substitute it with an equivalent high-strength bolt.

Where can I source Grade 12.9 hex head bolts?

Grade 12.9 hex head bolts are readily available in industrial supply stores, fastener distributors, or online resellers who deal in industrial parts. The supplier needs to provide a quality certificate for the bolts.

With an understanding of properties and applications of Grade 12.9 hex head bolts, you can make the right choice for use in projects with an assurance of reliability and safety for your mechanical assembly.

[jimitjain]

Understanding Bolt Grades: What Do the Numbers on Bolts Mean

Caliber Enterprise is one of the leading Bolts Manufacturers in India. When working with bolts, understanding their grades is crucial to ensuring the success and safety of your project. Bolt grades help indicate the material's strength, its ability to withstand tension and pressure, and its overall durability. 

What Are Bolt Grades?

Bolt grades are a classification system used to define the strength and composition of the material from which a bolt is made. These numbers are typically stamped on the head of the bolt, and they signify its tensile strength—the maximum stress a material can endure before breaking.

The higher the grade number, the stronger the bolt. However, this doesn’t necessarily mean that you always need the highest-grade bolt for every job. Choosing the right grade depends on the load and environmental conditions the bolt will face. We are also a well-known Fasteners Manufacturers in India.

Common Bolt Grades and Their Meaning

Grade 2 Bolts: Grade 2 bolts are the most basic type of bolt, usually made from low or medium carbon steel. They are inexpensive and suitable for non-critical applications where low strength is sufficient. These bolts are not marked with a grade number but can be identified by the absence of markings on their head. Tensile Strength: Around 60,000 psi. We are also a leading Hex Bolts Manufactures in India. Common Use: Light-duty applications, such as household projects or securing small parts.

Grade 5 Bolts: Grade 5 bolts are medium-strength fasteners made from medium carbon steel and are heat-treated to increase their toughness. They are stronger than Grade 2 bolts and are commonly marked with three radial lines on the head. Tensile Strength: Around 105,000 psi. Common Use: Automotive and construction applications where higher strength is required but not at extreme levels.

Grade 8 Bolts: Grade 8 bolts are high-strength fasteners, made from medium carbon alloy steel and hardened for added durability. These bolts are usually marked with six radial lines on the head and are significantly stronger than both Grade 2 and Grade 5 bolts. Tensile Strength: Around 150,000 psi. Common Use: Heavy machinery, industrial equipment, and structural applications where the highest strength is essential.

Stainless Steel Bolts: Stainless steel bolts are highly resistant to corrosion and are ideal for environments exposed to moisture or chemicals. While they may not have the highest tensile strength, their resistance to rust makes them a popular choice in marine and outdoor applications. Tensile Strength: Varies based on the alloy, typically around 70,000 psi to 100,000 psi. Common Use: Marine equipment, outdoor structures, and corrosive environments.

Metric Bolt Grades

In the metric system, bolt grades are indicated by two numbers separated by a dot (e.g., 8.8, 10.9, 12.9). The first number represents one-tenth of the bolt’s nominal tensile strength in megapascals (MPa), while the second number shows the proportion of yield strength relative to the tensile strength.

8.8 Bolts: Moderate strength bolts used in general applications.

10.9 Bolts: High-strength bolts used in critical load-bearing applications.

12.9 Bolts: Extra high-strength bolts used in heavy-duty, industrial applications.

Choosing the Right Bolt Grade

Caliber Enterprise is also a leading Bolt Manufacturer in Ahmedabad. When selecting bolts for your project, you need to consider both the strength required and the environmental conditions the bolt will face. For example, Bolts Manufacturers in India offer a wide variety of grades, including corrosion-resistant stainless steel bolts for humid climates or marine applications, and high-strength Grade 8 bolts for heavy-duty machinery. 

Understanding bolt grades is key to ensuring the safety and durability of your projects. From Grade 2 to Grade 8 and metric bolts, each type has its specific application. By choosing the right grade for your job, whether it's light-duty household work or heavy industrial use, you can guarantee better performance and safety. For all your fastening needs, it’s essential to source quality products from reliable Bolts Suppliers in India, ensuring that the bolts meet the necessary standards for strength and durability.

[big-bolt-nut]

Bolts and Nut Manufacturers in India -Bigboltnut

We manufacture larger diameter, high strength screws and fasteners and HV grade hot dip galvanized fasteners. We are India's largest large diameter of bolts and  nuts manufacturer and fasteners for leading contractors and consultants undertaking  projects in India, USA, Europe, Asia, Africa and Middle East in the energy, renewable energy, wind and infrastructure sectors. We are also a specialized in stainless steel hex bolts, nuts, studs and washers  used in water treatment, waste water treatment, sewage treatment,  desalination plants etc. We have different type of grade as per ISO 898-1:2013, in 8.8, 10.9, 12.9, A2-70, SS 316, SS 316L, SS316 S31, B7, L7, 8M, B8 etc.

BigBoltNut rich history, advanced manufacturing facility, and wide range of offerings make us a top-rated bolts, nuts and washer manufacturer in India. Whether you need products for power, energy, marine, or any other industry, BigBoltNut is your one-stop solution. Our commitment to quality and excellence ensures that our customers always receive best-in-class products.

Source url: https://www.bigboltnut.com/

[sachiyasteel]

Fasteners Manufacturer in Azerbaijan - Sachiya Steel International

Fasteners are crucial components in industrial manufacturing, providing the necessary connections and security between parts across various sectors. These mechanical devices, which include bolts, nuts, screws, washers, and rivets, are essential for maintaining the structural integrity and functionality of countless applications. Sachiya Steel International Private Limited of India is renowned for its high-quality fasteners, and its presence in Azerbaijan highlights its commitment to global excellence.

Understanding Fasteners

Fasteners are an extensive array of mechanical components used to join or fasten materials together. Each type of fastener serves a different function depending on factors like material type, load-bearing capacity, and environmental conditions.

Types of Fasteners

Bolts

Nuts

Screws

Washers

Rivets

Fastener Selection

Selecting high-quality fasteners is crucial for maintaining structural integrity, safety, and longevity across various applications. Industries such as construction, automotive, aerospace, and marine manufacturing rely on reliable fastening solutions to meet specific operational challenges.

Sachiya Steel International: Building Excellence

With decades of experience and a cutting-edge manufacturing facility in India, Sachiya Steel International has become an industry leader. Their commitment to precision engineering, superior quality products, and customer satisfaction have earned them global praise.

Product Range and Specializations

Sachiya Steel International offers an extensive portfolio of fasteners to meet the diverse needs of industries worldwide. Their product range includes:

Bolts: High-tensile bolts, hex bolts, socket head bolts, foundation bolts.

Nuts: Hex nuts, lock nuts, wing nuts, square nuts.

Screws: Machine screws, self-tapping screws, wood screws, drywall screws.

Washers: Flat washers, spring washers, toothed lock washers.

Rivets: Blind rivets, solid rivets, pop rivets.

Each product undergoes rigorous quality checks and adheres to international standards such as DIN, ANSI, ASTM, and ISO, ensuring reliability and performance excellence.

Grades of Fasteners Offered

Construction Grade

Specifications: ASTM A307, ASTM F1554 (Grade 36, 55, 105)

Application: Structural applications requiring high strength and durability.

Automotive Grade

Specifications: Grade 8.8, Grade 10.9, Grade 12.9

Application: Automotive assembly, ensuring reliable performance under high stress and vibration conditions.

Aerospace Grade

Specifications: ASTM F568, ASTM F2281

Application: Aerospace and defense applications, meeting stringent safety and reliability standards.

Industrial Grade

Specifications: ASTM A193 (B7, B8, B8M), ASTM A320 (L7, B8, B8M)

Application: General industrial use, offering corrosion resistance and durability in harsh environments.

Global Footprint and Market Reach

Sachiya Steel International has expanded its operations to meet Azerbaijan’s growing demand for premium fasteners. Their distribution network and optimized logistics ensure prompt delivery and excellent customer support.

Customization Capabilities

Sachiya Steel International understands the importance of offering customized solutions. They provide options to customize dimensions, materials (including stainless steel, carbon steel, and alloy steel), finishes (plain, zinc-plated, hot-dip galvanized), and coatings (phosphate, black oxide) to meet specific project needs with flexibility and precision.

Environmental Responsibility and Sustainability

Sachiya Steel International prioritizes sustainability in its manufacturing processes. They invest in eco-friendly technologies, waste reduction initiatives, and energy-saving practices to minimize environmental impact while contributing to global conservation efforts.

Conclusion

Sachiya Steel International Private Limited stands out as the go-to choice for high-quality fasteners in Azerbaijan and beyond. With a legacy built on innovation, reliability, and customer-centricity, Sachiya Steel continues to set standards in the global fastener industry. Whether for large-scale industrial projects or niche applications, Sachiya Steel is ready to offer unparalleled quality and service excellence.

Read More: Fasteners Manufacturer in Azerbaijan

[roll-fast]

Importance of Material Grade in Heavy Hex Bolts | Roll Fast

Roll Fast is a renowned manufacturer and exporter of heavy hex bolts for the construction of petrochemical industries. Heavy Hex Bolts are designed for use in a variety of high-temperature, high-strength industrial applications, such as steel fabrication and general construction. We also offer heavy hex bolts to structural grade ASTM a307, a325, and a490 specifications. They feature a thicker head than standard or regular hex bolts and offer a greater bearing surface that distributes the clamping load over a wider area. Heavy hex bolts are heavy profile hexagon bolts with large widths across flats and high head height. Also known as heavy hex head bolts or heavy hex structural bolts, these heavy hex bolts are commonly manufactured in high tensile grade 5, 8, 8.8, 10.9, 12.9, a193 grade b7, b7m, b8, b8m, b16, a320 grade l7, l7m, stainless steel, and other material.

visit source url : https://www.roll-fast.com/industries-served/petrochemical-industries/heavy-hex-bolts.html

[727moto]

Developing Sturdy Foundations: An Introduction to Selecting the Ideal Metric Bolt Kit

Having the proper equipment and supplies is crucial for success when beginning any project, be it a building project, a do-it-yourself home improvement project, or ordinary repairs. It is often ignored but fundamentally crucial for connecting elements of a project. Picking a suitable metric bolt kit is essential for any project, regardless of whether it be building or assembly, as bolts are required for putting important components together. This will ultimately determine the result of the endeavor. Let's get together and explore the important aspects to take into account while selecting the ideal metric bolt kit for your project in this blog post.

Recognize the Needs for Your Project: The project specifications are the primary consideration to take into account when selecting a metric bolt kit. You must consider elements like the materials you will be using, any environmental circumstances the bolt may be subjected to, the required load-bearing power, etc.

Find the Length and Size of the Bolt: The fact that bolts exist in a wide range of sizes and shapes ensures that you use the correct ones when obtaining materials. To ensure correct fastening and structural integrity, make sure the bolt you choose is the right size and form. Choosing a bolt that is overly big or undersized wouldn't be appropriate. 

Look at the bolt's composition: Stainless steel, alloys, and carbon are merely some of the materials that can be used for creating metric bolts. Each material has particular characteristics of its own, such as susceptibility to corrosion, robustness, and endurance. Ponder about the weather that your project is likely to encounter when purchasing a bolt kit. If duration is a priority for your project, choose alloy steel bolts.

Assessing Bolt Grade: Tensile durability and hardness are the two factors used to evaluate metric bolts. If you're looking for a set of bolts with a high load capacity, go with the better selection. Otherwise, select the bolt grade based on the particular requirements of your project. bolts with the standard grades of 4.6, 8.8, and 10.9. Higher Grades are linked to longer durability and greater tensile strength.

Pick the Correct Type of Bolt Head: Different head styles, including flange, socket, and hexagonal (hex) heads, are available for metric bolts. The bolt head type selected is dictated by accessibility needs, tension specifications, and style preferences. When choosing a bolt head type for your project, consider aspects like tool affordability and installation elegance.

Choose the Correct Bolt Finish: Coatings for bolts such as zinc plating, black oxide, and galvanized are available in the market. Use the coating that will look good, offer sufficient protection, and best fulfill the objectives of your project.

Consider Your Budget: It's commonly known that when choosing a metric bolt kit, quality ought to come first, but it is additionally very important to choose a kit that will not break the bank for your project as a whole. Compare prices from multiple suppliers to ensure that the bolt kit you choose delivers the best value without compromising quality.

In summary

To sum up, selecting the appropriate metric bolt kit for your project requires providing considerable thought to elements including size, length, grade, head type, finish, compatibility, and budget. One can guarantee a successful project and long-lasting durability by taking the time to assess your project's requirements and choosing the right metric bolt kit.

[ason22amp]

Fastener Parts

Fastener Parts Introduction There are two main features of Hex Socket Head SEMS Screws with Flat, one is a hexagon socket and the other is a flat head. Hexagon socket screws, as the name suggests, have six surfaces, which also means that they have more surface area and therefore they can withstand more load forces.The design of the flat head is similar to the countersunk head screws, which can embed the nail head in the machine part, which increases the connection strength and ensures the aesthetics of the surface of the machine part. Our products have various specifications and surface treatment, you can choose the one you need or contact us for customization. Features 1. The products are galvanized to improve the corrosion resistance, making their appearance more beautiful and the colour more uniform. 2. The head of the screws can sink completely without affecting the appearance of the parts or scratching the hands. 3. The rotating threads make connection firmer. And the threads are neat and clear without defect. Product Details 鈼?Product Type: Screws/Bolts 鈼?Product Name: Hex Socket Head SEMS Screws With Flat 鈼?Size: M3-M14; #0-#12;1/4-9/16;ST2.9-ST9.5; Special size can be enquired and supported 鈼?Product Executive Standards: ANSI, DIN, ISO, GB;or Per customer's drawing 鈼?System of Measurement: Metric/Inch 鈼?Head type: Hex Socket Head 鈼?Material: Low carbon steel / medium carbon steel / alloy steel 鈼?Grade: Quenching and tempering heat treatment--4.6/4.8/5.6/5.8/6.8/8.8/9.8/10.9/12.9/Grade 5/ Grade 8锛?/p> Case harden-- Surface hardness min450HV core hardness 270 ~ 390HV/290~370HV 鈼?Support non-standard customization 鈼?Country of Origin: China Applications Our advantage Customized--We are the manufacturer! sample &OEM&ODM are available! Safety--We have own test chart, all of our products have been rigorously tested in the factory. Certification--We have CE and quality management system certification. High Quality --Our company uses the most advanced equipment to make the best quality products.Fastener Parts website:http://www.junlyhardwaresupply.com/fastener-parts/

[orange1896]

LG855NI.10-100 Joint repair kit,JOINT PIN KITS CDM853 CDM855

LG855NI.10-100 Joint repair kit,JOINT PIN KITS CDM853 CDM855

LG29430005911B 油管 26170022741 WIRING HARNESS_MAIN_LG6300_SDLG 6900016282 橡胶弯管D04-312-01A+A ZL50G.6.26 4130015959 软管LGB127-012155 ZL50G.6.27 29350013011 液压油回油过滤器滤芯 ZL50G.6.28 LG2905002495 直柄机用铰刀 ZL30.3-38 822011652 非公路自卸车 950B6.13.2 29370014681 六角螺母 ZL50C.12.1.2 29330033651 连接块 ZL50C.12.2.1 6212000186 原色纸盒 ZL50C.12.2.2 6224000039 排气门 6105Q-1005058A 29030029391 上盖板 3601114A2908 SDLG LG978 GPE Wheel Loader FZ0001266 活塞��总成24A610200 2933001644-1 右护板总成 9300000007 曲轴D06A-101-51A+B 29090010631 黄铜棒 4110001394108 尾灯支架 LG2924001836 1 支架 GB6171-M20*2EpZn-8 28320002641 护挡板207318 14596611 6228000201 L933两联连杆机构模块 14596619 29360024193 黄油阀 8230-04390 29150008141 油门支架 8230-04180 29360024661 铲斗上销 8230-11110 11216828 内齿轮 984357 4041003561 连杆R130 14577795 3110900244 气门弹簧A3000-1003106 GB5783-M10*45EpZn- 26170003311 机油滤清器机油管焊接部件M8N7315 GB5783-M10*30EpZn- 21909008271 张紧轮总成612600060310 9453-02206 11219644 挡圈-O形圈24M30330C 14638122 LG4190002761C 安全标识包 14638123 26291009051 驾驶室总成 14627345 29240101411 膨胀水箱支架 14638544 F612600130043(老式) 柔性卡环 SP851630503011 14638542 29010052871 销轴 14530964 6420002007 垫片 6390500022 REINFORCING PLATE 29120023741 密封盖 4110000970024 烧杯50ml 29130019241 BOLT HEX HD 4130002435 农装大臂油缸 7300000560 多功能螺丝刀套装 6253000184 马达阀(空调) 4120005016017 后板 4110003263 非公路自卸车 LG8285750 销 4120016410006 橡胶弯管612600111671 4041015952 管接头法兰 1118684-52D 4120003176113 一级行星架总成 A24-4110000186 螺母 F4022891 PLATE 29331003991 板 4110004186020 仪表盘Y918PJ-1 26331001905 PLATE_WA RH COVER 26280003501 堵头LGB120-13641 4011000791 动臂油缸HSGF-160*90*1079-636 29190018531 高压内六角 12*30 26031002431 螺栓GB5783-M10*20flZnyc-10.9-480 28280010151 主动轴M045100001 29360014631 PLATE 29260011341 发动机支架组件C33AZ-33AZ002 14616872 气缸套330-1002064B(H) ZL50.5.3-15 29070021941 飞轮壳13036151 6900014258 箱 949867 6253000059 前立柱 YZ18J.7A.4.1-3 4110001394049 左侧围板 ZL50.5-8 9150000372 前桥壳 ZJ4110001440 SPLIT PIN_8X112 2130900033 配重总成 WZ25.7.1-1 4110002785104 齿轮ITX50 M4 Z44 ZL50F.6.24.1-1 2120900085 SUPPORT_WA MCV MTG ZL50F.6.5-1 29150027841 特级液压油ISO VG46-18L WZ25.6.1-7 4110000565022 三刃倒角刀40×90° 29240040531 配重附加工作灯线束 21908004031 传动轴 3311214A3903 挡圈螺栓组合HBWHM1070-AY 29150036171 杆件托架/KG0401 6420002210 发动机3TNV88-ZCSLG 11214731 软管HH20-FS20-4500-3300-SG ZL50F.11.13 26170019591 板 930.8.1 4110001300074 缸垫 11218948 前车架JFFT30 F9W8452RC 机油滤芯113240-2322 29290040371 导链架 JPK10 28250016081 转换钢管 ZL50F3.6.1.1 4190000831019 支承座 ZL50.6.8 M086HWAP8 板 ZL50.6.7.1 4110001593002C 支架 WZ25.11.8 14403899 挡风板 WZ25.11.9 29430001931 钎杆φ190*1700-一字头-经适件 WZ25.11.13 LG9140000355 垫片 WZ25.11.15 6410000715 钢管 WZ25.11.16 LG9140000301 LG660(E)/LG665(E) BUCKET YZ18J.9.2.1 4120007177 倾斜缸总成 3T叉车左 916.6.10 29290017761 出风腔下壳体GK33-5.0W-20-01 916.6.11 LGE1815215A2940 发动机罩标识包 916.6.12 29261012941 内锥齿轮 916.6.15 FZ510210310 线切割导电块（10*12） ZL50F.12.1ZP 29240021901 齿轮泵JHP2032/Gj1016R01 ZL50F.12.2.4ZP F71Q6-02121 L920 OEM ZL50F.12.3.4ZP 28230019451 LG956N油缸总成 ZL50F.1-3 6410003591 左后支架13051729 ZL50F.1.1-1 6410000028 BOSS_LUG WA 660.7-8 29050012971 海绵 660.7-13 29330017891 车架线束总成 ZL50F.12.2.1 6233000306 固定块 ZL50F.12.2.2 6245000010 诊断软件BODEM2.0-试配 ZL50G.6.25.1 11218124 贴盘LGB315-50M*90*22M 916A5.9.1.1 6390902477 垫圈 16040149 GUARD_WA STD TRACK 26341006001 非公路自卸车 ZL50F.12.1.1 29130015631 销0425-4100 ZL50F.12.1.3 29250017101 板基应变片接线端子 ZL50F.12.1.5 5111000621 Q型滑阀DL20-3.06b ZL50F.12.1.7 21909015331 密封垫GK33-5.0W-20-08 916.11.11 4110000556060 前座 916.11.12 FSYBQL 机体总成612600900215 916.11.13 29380032791 驾驶室系统 ZL50G.9.1.1 6212001079 润滑油管 ZL50G.9.2 29120038581 CONTROL HANDLE ZL50G.9.3 26181016101 LG938轮式装载机 ZL50G.9.3.1 6430000357 送丝机构总成 OTC 600 ZL50G.9.5 4120002079010 FRAME OF CONTROL RACK ZL30.3.3.1-1 6216000053 挡风板 930.9.1 29260031771 过滤器支架 ZL30F2.6.2.1 29250013991 弯管 ZL30F2.6.2 FHYQT 铁木结合箱-7 290*290*400 ZL30F2.6.10.1 14401362 减振总成 ZL30F2.6.1 4110000081138 板 WZ25.6.1.16 29330094281 压盘 ZL40.7.2.1D F51M6-40120 焊接管夹 ZL50F3.6.9.1 60112197 PLATE ZL50.6.18.1 6430000933 发动机罩(金属漆) ZL50.6.18 LG2941000261 活塞JS-SM-07 ZL50G.5.9 26360007573 变速操纵机构L956 67AZ025 LG9140000220 条码打印纸 ZL50F3.12.5ZP 29360019671 钢丝挡圈-孔用24C090040 ZL30G.4.2-1 29310014541 前盖锁 WS33002550096 WZ25.6.1.17 29330000401 L955F宣传册（10000） WZ25.6.1.18 29170094522 软管20411-22-06TZ/20491-22-06TZ×FC687-06×1 ZL50G.2.1 4041002987 锁板 ZL30F.2.1.1 29190016081 VRT200 变速箱总成 916A2.13.2.3 4120005120 齿轮泵03.12.00010 4110001167241 空气滤清器 4110002757 左底座 14402299 托盘1150*1150(9mm) 4110003558 停用-右台架 JD3022-0220 26290007241 轴承遮板 LGLG26260013631 LG953驾驶室总成（抓草叉） 14405224 边齿 8230-04090 28141007461 直接头 14512788 5301015069 板 8230-04400 26090003631 后簧骑马螺栓 8230-11610 4110015797004 减振器LGJZQ820-02 8230-01090 6224000102 支架焊接部件LY-930-37-020 8230-22950 4110015609019 通气软管D01D2-1014003A 612600060766 FXKBL-00028 滚轴轴承 28250007811 管 11218589 LG956/LG958/LG959/LG968右梯总成 1690100174 INSULATOR, 3,5XRSX2XNL 4130002476 回位弹簧 4120000731005 加强板 20792992 28350004741 停用-制动器总成DFX2-15A 21040125 28420000242 活塞杆总成24A210720 21506250 29150021551 压力表（带面板）14762073 29290009250031 螺母M10 14880818 6430001455 REAR WALL PANEL 14577789 6392201691 前右桥壳 14577735 11215647 内齿圈总成 14577785 28150004401 转斗缸总成 14577786 6213000121 温度传感器接头 4120003294015 车拐 4110001597012 中冷进气钢管 29250028341 螺栓59793752 14596605 6410006429 制动钳 14596604 29370015331 左右灯架总成 14573743 26310009701 定位支架 14401819 F3417501F 夹木叉φ1120×2320×2072-合叉 28100008141 筋板t8×70×33 11222434 管夹 4110000081152 轴承45180 4041002518 蒸发器封闭海绵 29190008761 卡子胶条LGB320-S930 Read the full article

[hydrofittings]

SAE  BLIND hydraulic flanges by hydrofittings 

SAE Flanges are mainly used for bigger sizes of tubes in NB (Nominal Bore) sizes. Hydraulic Flanges are used in bigger sizes of Piping joints Where Nut & ferrule assembly is not possible due to higher in Hex section sizes & High torgue require to tightened / Grip the ferrule in to the tube & lead to lose the joints at High pressure application. In such cases the usage of Flanges with Butt weld or Socket weld has been found to be more practical leading to compact piping installation.

SAE Flanges manufacture an array of SAE flanges and Hydraulic flanges which corresponds to relevant international standards.

SAE Flanges find application in industries where flanged joints are encountered during the tasks of fabrication & maintenance.

SAE Flanges can also be customized as per the drawings and specifications provided by the clients.

SAE Flanges are manufactured as per SAE J518 standard equivalent to ISO 6162 types

SAE Flanges are in OVAL shaped & available in forged body.

SAE flanges are in various types such as Split, Mono, captive, Butt weld, Socket weld, stub end type.

SAE Flanges are available in various materials like carbon steel, stainless steel 304 & 316 grades.

SAE Flanges are designed as per SAE J 518 C standards worldwide & Ve-Lock SAE Flanges can be Interchangeable. The design for the SAE System calls for Forged Flanges to ASTM A 105 with Sleeves made from weldable material. In order to reduce costs, various manufacturers have introduced a two piece system where the sleeve & the Flange were combined into one Piece. Such a system is easily adaptable to both Butt Weld and Socket weld Systems. However in practice, the two piece system is used mainly for Socket Weld Flanges for cost considerations.

SAE Flanges are followed SAE J 518 C Equivalent to ISO 6162 standards for the 3000 psi and 6000 psi static pressure range respectively.

SAE system depends on the same set of butt welding sleeves held together by a set of Split Flange and Solid Flange secured by Allen Bolts and Nuts.

In order to reduce the distance between pipes , SAE introduced their own Standards which are now incorporated in to ISO 6162 for the 3000 psi and 6000 psi

Static Pressure ranges respectively. SAE Flanges system depends on the same set of butt welding sleeves held together by a set of Split Flange and Solid Flange secured by Hex Bolts and Nut.

Specification And Material Grade Of Hydraulic SAE Flange

BRAND HYDRO-FITTINGSDESIGNSAE J518 C / ISO 6162 / ISO 6164 / JIS B2291 MATERIALCS, SS 304, SS 316, SS 316 TI, ALLOY STEEL, DUPLEX, SUPER DUPLEX, INCONEL, MONEL, HASTELLOY, SMO 254, 904 L, TITANIUM WORKING PRESSURE UPTO 210 BAR (3000 PSI) & 420 BAR (6000 PSI) & 700 BAR (10,000 PSI) CUSTOMISEDCODE CODE 61 FLANGE (3000 PSI) &  CODE 62 FLANGE (6000 PSI)SIZE RANGE 3/8″ (DN 10) TO 5″ (DN 125)CONNECTIONSBUTT WELD, SOCKET WELD, THREADED (BSPP, NPT, METRIC, JIC)BODY TYPEFORGED, BAR STOCKFLANGE ACCESSORIESO-RING, BOLT, NUT, WASHERO-RING MATERALNITRILE, BUNA 90 SHORE, VITON 85-90 SHOREBOLTS MATERIALHIGH TENSILE 8.8 GR, 10.9 GR, 12.9 GR, SS 304, SS316SURFACECARBON STEEL – BLACK PHOSPHATED, TRIVALENT ZINC PLATED,  STAINLESS STEEL – ELECTROPLATING, NATURAL FINISHEQUIVALENT BRANDSSTAUFF, PARKER, HAVIT, HANSA FLEX, ANCHOR FLUID, OLEO TECHNICAAPPLICATIONSINDUSTRIAL HYDRAULICS, INJECTION MOULDING MACHINERY , ALUMINUM DIE-CASTING MACHINERY, SINTERING MACHINERY, STEEL MILLS, HYDRAULIC PRESSES, PAPER PROCESSING MOBILE HYDRAULICS, BUILDING MACHINERY, AGRICULTURAL FORESTRY, LIFTING & MATERIAL HANDLING 

Why to choose hydrofittings ?

About us – The briefcase of our company consists of numerous additions which include, – clever hydraulics, engineering, and digital answers. With the guide of 80 personnel, our company works like a well-oiled system to deliver most effective the very best fine product to our buyers. Proper from the responsibly sourced product by way of our procurement team to our nice manage team, many agencies have lauded our work. And that they admire the fact that we’re transparent in all our dealings. With a properly-mounted channel of communique, our customers can connect with us anytime. Our control and our body of workers, together form a competent and ambitious crew. The readability and high stage of performance make us one of the most modern but sought after manufacturers. And because we fee initiative behavior, we adore to have our studies and development crew collaborate with the opposite teams to recognize the current requirements of the hour. We frequently have checking out and great exams to maintain brilliant requirements.

                          An global provider of

                                 TO KNOW MORE ABOUTS US VISITE OUR WEBSITE 

www.hydrofittings.com

[jnmetalparts]

Grade4.8/8.8/10.9/12.9 High Quality DIN931 DIN933 Hex Head Bolts And Nuts

[fixdex-fastening-technology]

High quality 4.8 8.8 10.9 12.9 DIN933 931 hex bolt

Click here to see more of this product

[big-bolt-nut]

Bolts Manufacturers in India | Bigboltnut

BIG BOLT NUT is an ISO 9001 : 2015 Certified Company. We are manufacturing high tensile bolts & fasteners in bigger diameter bolt nuts & HV grade hot dip galvanised fasteners, We are the biggest Blots manufacturers in India for bigger diameter bolts & nuts in high tensile and stainless steel grade and fasteners to major contractors and consultants undertaking these projects in India, USA, Europe, Asia, Africa and Middle east region in power, renewable energy, wind & infrastructure division We are also specialised manufacturers for stainless steel Hex bolts, nuts, Stud bolts and washers which are used in water treatment, sewage treatment, waste water treatment and desalination plants. We specialise is manufacturing and exporting High tensile bolts & fasteners in 8.8, 10.9 and 12.9 grade and Stainless steel bolt in SS A4, A4-50, A4-70, SS 304, SS 316, SS 316L, 316S31 grades & bolts & nuts.

[shadowdianne]

I posted 4235 times in 2021

356 posts created (8%)

3879 posts reblogged (92%)

For every post I created, I reblogged 10.9 posts.

I added 135 tags in 2021

#ref - 23 posts

#diand - 17 posts

#critical role spoilers - 17 posts

#swan queen - 16 posts

#anonymous - 15 posts

#swanqueen - 12 posts

#cr spoilers - 11 posts

#time zone reblog - 8 posts

#taggie thingie - 8 posts

#prompt - 8 posts

Longest Tag: 140 characters

#if it's cool and i can be done without fucking things up for others i'll allow it as long as i can create a mechanic that can be used for it

My Top Posts in 2021

#5

SWAN QUEEN: Daniel died, her mother died, Henry died, Emma died, so why the fuck can't she? Brr.

I don’t do this. Not anymore Xd Yet, you very well know that you are one of the very short list of people who can make me write SQ still Xd

And well, It’s angst so, hey, that’s a bonus

“Save him.”

She had gritted her teeth as Emma had looked at her, pleading eyes breaking through the black and white façade of the Dark One; she had been about to pass from exhaustion, fingers tightening around invisible ropes, her magic being called forth with all of her might as hex after hex pulsed through the air, linking both her body and Emma’s as they both tried to stop the other; concrete and electricity filling the air alongside with the heady scent of ozone.

She hadn’t answered, not vocally at least. She had grabbed the air and asked for the dagger to appear on her extended hand, purple tendrils coiling around her, lighting her skin with sparks that bit into her as Emma lost control over her body once more; her pain being mitigated by anger and repulsion.

They had known everything could eventually lead to where they were; in the middle of a destroyed Storybrooke with nothing but magic that kept being called, being syphoned, by feelings that felt untamed and trembling against their ribcages. Regina had tried, she truly had, back at Camelot, the last bits of her memories diluting like dew under the early sun. She, however, despite everything, despite her being the one who had grabbed the dagger when Emma, a tired, gray-lined Emma, had asked her to hold onto it, despite having promised to be the one who was able to do the unthinkable, had failed.

Maybe it had been her own emotions, her own feelings, the damned bit of hope that had blossomed inside her chest when she had seen Emma walk into the diner, hard edges and pain escaping her sides, like fog spilling over the sea’s surface. Maybe if she had seen the divided mind, the way Emma kept changing back and forth from someone she knew to someone she didn’t, maybe if she hadn’t been so keen on wishing, on wanting. Maybe.

There weren’t any seconds left for that though, the thought hitting her, bolts jumping from her body as she was raised from the air, Emma’s hands pale and stark in front of her, the darkness of her magic twisting the pure dirty white that had been hers and only hers prior to the vortex, prior to her screams, prior to her one and only single request: spare Henry, spare them, please.

The magic had laughed and wrecked everything on its wake, coming forth from every pore of Emma’s body, squashing her mind on the intervals the blonde didn’t fight to get the control of her own body back. For a second, a moment, Regina had thought that she would be able to, would be strong enough.

And then the dam had broken, the restraint Emma had managed to get, the little pieces of herself that had been floating inside her mind had scattered further and further still and the dark magic, the one that fed off chaos and despair, had stepped forward: all claws and fangs and death.

Regina had managed to get others to safety, but she hadn’t accounted for Henry, noble, precious Henry, who had thought the impossible could always be achieved if one fought enough for it. Maybe that had been her fault as well; maybe it was only the byproduct of true love kisses and magic that reeked of a world that wasn’t the reality of the town they were marooned into. Nevertheless, as she had fought and called for Emma, wishing that some of her words hit with enough strength to create a ripple between the two merged consciousness, Henry had appeared, running down what was left of the main street, holding his book atop everything else, asking for powers that were too fickle to listen properly.

She had tried, she had. But the magic had been too strong, too unpredictable. A stray tendril had curled around the boy’s legs, causing him to fall, fall, fall. She had been able to smell the scent of blood before seeing the droplets that grew into a river, the paleness of his cheeks obvious enough amidst the rubble, amidst the screams.

“Save him.” Emma’s words came out hoarse, her voice formed out of a myriad of echoes from moments shared that now ebbed away from them both. It was short lived, glimmering with nothing but the realization she couldn’t keep on fighting.

Regina called the dagger once more, asking for that stubborn part of herself, the one who would never apologize to Pan or any other villain before or after him, the one that was rooted on her own anger and loss, the one that had created and built the Queen persona, the one that had been the base of the reason why the darkness had come for her all those months ago, thinking of her a worthy host. The one that kept the world dark and hungry, the one capable of cursing and hexing if only for the whole purpose of seeing her enemies burn. She fed the black pearl that sat at the very center of her heart, the tendrils of magic that kept her heart from being red. And pulled.

“Regina!”

She struggled to breathe; she could listen to Emma now, pained, and raw and more like herself. When she focused her eyes onto her the dark one was flickering, the vortex she had once seen now above them both, twirling. It was working, in a way. She would only get a chance, one. Feeling her body freed from the tendrils, she jumped towards Henry, opening the book with one hand, chocking on a sob as she felt the lack of breathing on his chest. She had lost too much of herself to know hubris wouldn’t save him. Nor her. She poured the magic onto the pages, his blood marring them, feeding them as they growled into existence.

There was a second, a moment, in where she thought it would fail, in where she thought of the stupid reasons why she had thought herself strong enough to do what she was about to do. Yet she didn’t dare to give reason for the magic to taint her as well, to destroy the opening between the blinking force and Emma’s own body keeping the incarnation with a physical body. She struck the book with her magic, with Henry’s hope, with Emma’s despair. There was a flash, a caress made out of quickly disembodied fingers.

And then, nothing

-.-

They buried them one close to the other, in tombstones that were quickly covered by moss due to the magic present and reinvigorated by the blood of the one who had been called savior by so many it felt ludicrous now. They didn’t rest on the mausoleum, the dark corners of the building far too weighted by other stories that bled ink so thick it felt like tar.

She was told that it hadn’t been her fault. She was told that her magic had reached the book too late. She was told that, by some reason her idea had worked. “Of course” She would answer with vocal cords so fried she felt as if muting herself to the world would be best. “I knew what I was doing.”

She was told that she had saved Storybrooke, the repairs being done under the gloomy knowledge that two more laid at the city’s graveyard. She was called a savior.

She hated it.

Daniel had died, her mother had died, her father had died.

Henry, Emma, had both died: so why the fuck wasn’t she herself resting next to them now? Why the magical blast hadn’t killed her as well, turning her to shreds, to specks of dust unable to feel pain and anguish, why did she keep on walking while they didn’t?

For a second, a stupid, cruel second, once the book had closed on its own volition, the blast so strong it had pierced her eardrums, she had seen Emma stumble and fall but still breathe, eyes as green as ever, hair back to blonde. She had smiled then, her other hand, devoid now of the dagger, the blade bare, not holding a name no more, reaching for Henry’s collar. She had thought then and there that they might survive, that she would see Emma kneel and approach them, with the stubbornness she pretended she hated, with hands warm from magic devoid of the madness from before. She had thought, she had hoped, that she would be able to hug her, to maybe admit that what she had wished to say back at Camelot, at the well, when everything was closing around them, was a simple admission that felt ridiculous now if only for the obviousness of it all.

She had been wrong.

Emma had mouthed words at her from where she had rested, words too close to those same words she had thought she might be able to admit. Her eyes had focused on Henry, blood dripping from her lips and tongue, teeth colored red and black. She had mouthed the same words to him, eyes fluttering, closing.

Regina had screamed then, cursing everything, everyone, cursing her legs as they failed her, as she was unable to reach out the woman who she had vowed to destroy and yet had made her fail and fail again.

She hugged herself while she eyed the tombstones, eyes dark and face covered in still healing scars. She would wave them goodbye, healing the rest of what had been Emma’s magic cursing through her. Yet she refused to. A sick, ill way of keeping a part of her within her reach.

“Bring them back.” She wished, anger, wrath, loss. Asking for the trees to listen to her, for the soil to spit them back, for their souls to return. She had been weak when Daniel had died. She wasn’t weak now; she wasn’t supposed to be.

“Bring them back.”

Because if they were gone and she couldn’t follow them, wasn’t supposed to, she would do her damnest, would curse her soul beyond repair, only to have them back. She would give her everything, every drop of her blood. She would destroy and maim and stood atop a skeleton-made mountain, only so she was able to cheat death.

She was done with honorable causes that did only led to nothingness. She didn’t want to have Snow’s vacant stare, David’s inability to say two words without stammering. She wasn’t weak.

She wasn’t.

She couldn’t.

“BRING THEM BACK.”

44 notes • Posted 2021-06-10 12:44:52 GMT

#4

"This doesn't have to be goodbye, does it? Not really?"

For @waknatious

46 notes • Posted 2021-02-18 10:57:29 GMT

#3

Supercorp prompt: "Just admit it..."

“Just admit it… there are a million places you wish you were rather than here. With me.”

The words cut through the air between them, the lights that created hundredths of dots below them both catching Kara’s eyes as she went for a swift deny of the truth Lena’s voice recalled. She wished to be here, she wanted it to be. Except, she realized as she bit down her bottom lip, she didn’t. Not like this, not really.

Looking down she gazed upon the city that seemed to rest just a few inches below her boots, the blue cloth of the suit blurring the edges, cape regal, swishing against the breeze her being there, created. A perfect picture, a postal almost, of what she imagined others around the city imagined her to be, the ones who decried those who came from galaxies far away enough for not having recognizable names here, the ones who feared her for the title they thought she would want; A goddess, a titan, that peered down, never attainable.

She wasn’t that, she never would want it, she knew it, but she felt tethered by far too few threads to earth right now. One of them, the second most important, maybe, looking at her with glassed eyes and deep sorrow. Because there was only anger, ire, buildup doubt, on Lena’s face. And the cold, void resignation that there was nothing else to say.

She hated silences that she couldn’t fill, a maybe gift left by the phantom zone, a part of her lost there, amid everything and nothing. She feared them, she fought against them. Noise, words, songs, all that could prevent the silence that could potentially lead to the notion she had that, deep down, she was nothing but a coward, selfish, the kind of one that would pretend to be human only for the sake of not wanting to be seen as what Lena was currently looking at: herself, in the super regalia, a name forever branded onto her soul.

Which was the reason why she indeed wished to be anywhere else but here. With her. But she needed to be present, otherwise, what would be ever the point?

The night called for her, the hearts she felt beating below them called for her, the air and the jokes she had created, they both had created, so they could only understand each other called for her: the reminiscence of an easier time.

“I want to be with you.” It came booming out of her chest and yet the tone couldn’t have been more than a whisper, a plead. At Lena’s cocked eyebrow, lips stained by liquor, she tried to rephrase herself, still unsure as she hovered, if she would be welcomed back. “I just don’t want…”

“What comes with it.” Lena’s lips turned now, a jagged smirk, a sad one as her right hand played with non-existing wrinkles on her upper thigh, the dress she wore as crisp as before. “Go. Kara. I…” She stopped mid-sentence, that very same hand rising now, waving at the space between them both, the movement causing sound only the Kryptonian could listen to. “I free you, or whatever.”

“But I don’t want to.” How difficult could it be to create a string of words that would explain. That would give her enough room, enough space, to fill everything once more with the noise, the protection, Kara Danvers offered. Not to others, but to herself.

And then she knew, saddened, that she quite couldn’t ask for that. Not after lying, not after refusing to listen to what would have been the better path.

“I know I can’t take everything back.” She started again, words wobbly, lungs reaching for air, skin vibrating as she felt nerves wriggling, sizing her words, her movements.

“I’m not asking you to. You can’t do that.”

She was right, she wasn’t.

“But I love you.”

Lena’s eyes flashed.

“Do you?”

47 notes • Posted 2021-02-26 14:32:57 GMT

#2

50 notes • Posted 2021-03-09 09:28:01 GMT

#1

Alright is Thursday! Which means I'll be posting/reblogging cr stuff, will try to tag everything but in case something slips by I'll do a second swipe tomorrow and retag every post xd

@drummergirl72713 you ready??

56 notes • Posted 2021-10-29 01:24:51 GMT

Get your Tumblr 2021 Year in Review →

[roll-fast]

High Tensile Bolts | Roll Fast

High Tensile Hex Bolt is used in applications that have high stress on the fasteners. When connecting two parts, the tensile stress forced on the fastener can break it. Some materials have higher tensile strength to produce these bolts and Roll Fast is a leading high-tensile bolts manufacturer in India. we have a monthly production of over 300 tons in bigger sizes from M-16 to M-100 in 8.8, 10.9, and 12.9 grades. High-tensile bolts are used for high-stress fastening applications. These bolts & nuts are used in energy sectors like wind, solar, thermal, and hydro energy. These bolts & nuts are used in energy sectors like wind, solar, thermal, and hydro energy. For example, you would usually require high-tensile bolts in the realms of construction or other similar industrial environments. These high-tensile bolts help to secure heavy objects together and shoulder their weight for many years, or even decades.

visit source url : https://www.roll-fast.com/products/standard-bolts/high-tensile-bolts.html

[sharktensioner]

Optimization of automotive fasteners

The data shows that there are currently about 240 standards commonly used in automotive standard parts products, covering lumen sealing elements, pipe line connection fixing parts, washers, screws, nuts, bolts, etc., of which 115 standards are related to metal fasteners.

With the continuous development of the automobile industry, in order to curb the increase in production and management costs caused by the increasing number of automobile fasteners, automobile manufacturers have optimized the fasteners from the aspects of structural elements, materials, heat treatment and surface treatment.

The optimization of automotive fasteners is divided into: bolts, screws, nuts, threads, washers. Hexagon flange bolts are preferred. Hexagon head bolts, hexagon head bolts + spring washers, hexagon head bolts + spring washers + flat washers, hexagon head bolts + flat washers are restricted.

Since the requirements for assembly efficiency are also increasing, the hexagon socket screws are preferred, the standard structure is optimized, and the use of hexagon socket screws and cross recessed screws is gradually restricted. If the structure permits, hex flange nuts are preferred.

For parts with special anti-loosening requirements, consider using effective torque lock nuts, such as all-metal lock nuts and non-metal insert lock nuts.

Because the load-bearing capacity and anti-loosening ability of fine-threads are higher than those of coarse-threads, you should choose fine-threads as much as possible when selecting larger-scale threaded fasteners, and you can also reduce the variety of threaded fasteners.

In order to improve assembly efficiency and reduce the risk of missed assembly and errors, in principle, gasket products are not allowed to exist alone.

Automotive fasteners include bolts, nuts, washers, most of which must be surface-treated to protect them from corrosion, improve appearance, or achieve certain special functions.

With the gradual tightening of environmental protection, the use of trivalent chromium passivation and zinc-aluminum coatings for automotive fasteners is the future trend. The chromate passivation film is exposed to an environment of more than 70 ℃ for a long time, and the corrosion resistance Will be damaged, so for areas with high ambient temperature, galvanized passivation is used with caution.

The zinc-aluminum coating has no hydrogen embrittlement and meets environmental protection requirements. The color of the coating is black and gray. Bolts of grade 10.9 and above are preferred.

The adhesion strength of the zinc-aluminum coating to the substrate is not as good as galvanizing, and there is a phenomenon of powder falling during use, so it cannot be used inside the transmission parts, and it is not recommended for bolts that need to be repeatedly removed.

Compared with galvanizing, zinc-nickel alloy has greatly improved anti-corrosion ability. After passivation and sealing treatment, it also meets the requirements of high temperature resistance. The melting point of copper is around 1083 ℃. In high temperature environment, in order to avoid sintering of screw parts, copper plating is selected for surface treatment, especially automotive fasteners around the engine exhaust manifold.

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