DIN 912 Hexagon Socket Head Cap Bolts, automotive assembly use, custom auto parts

Our DIN 912 Hexagon Socket Head Cap Bolts are engineered for strong, precise, and reliable fastening in a wide range of industrial and manufacturing applications:

Key Advantages for Your Applications:

• High Strength & Reliability: Available in high tensile grades (up to 12.9) making them ideal for critical load-bearing connections where security and durability are paramount.

• Compact & Clean Design: The cylindrical head with an internal hexagon drive is perfect for applications with limited space or where a flush, non-protruding head is required.

• Efficient Assembly in Confined Spaces: The internal socket drive allows for tightening and loosening with a hex wrench, requiring minimal radial clearance around the bolt head compared to external hex bolts.

• Consistent Quality & Global Standard Compliance: Manufactured to the strict DIN 912 standard, ensuring dimensional accuracy, interchangeability, and reliability for seamless integration into your global designs and supply chains.

• Versatile Material & Finish Options: Offered in Steel and Stainless Steel with various surface treatments (such as YZP - Yellow Zinc Plating) to suit different environmental conditions and corrosion resistance needs.

Ideal for:

• Machine Tools & Equipment: Providing robust and precise fastening for essential components in machinery and industrial equipment.

• Fixtures, Jigs, & Tooling: Offering reliable and repeatable clamping and positioning solutions in manufacturing aids.

• Automotive Assembly: Used in various automotive systems (e.g., engine, steering, suspension) where high strength, precision, and compact size are required.

• General Mechanical Engineering: Securely joining parts in pumps, motors, gearboxes, and other mechanical assemblies.

• Electronic Enclosures: Providing discreet yet strong fastening for housings and internal components in electronic devices.

• Furniture & Architectural Applications: Offering strong, hidden, and aesthetically pleasing connections for modern designs.

Serving the Global Automotive Industry Since 1986

Founded in 1986, Zhejiang Zhongrui Auto Parts Co., Ltd. has grown into a trusted global supplier for the automotive industry. With our origins in Tangxia, Ruian, renowned as the "Auto Parts Capital of China," and now operating from a modern, strategically located facility in Jiaxing City, Zhejiang, we partner with automotive brands worldwide. Our mission is to leverage our over 38 years of deep industry experience as a direct manufacturer to understand their unique engineering and supply chain challenges, and deliver intelligent, efficient, and reliable fastener and component solutions.

Comprehensive Fastener & Component Solutions for Automotive Production & Aftermarket

Zhejiang Zhongrui specializes in the streamlined supply of high-quality Automotive Fasteners, C-Parts, Kits, and Assemblies. As a direct manufacturer with a substantial scale – encompassing a total area of 36,237 square meters and a factory area of 20,000 square meters, backed by 130 million RMB in fixed assets – we provide transparent processes and highly flexible responsiveness. This direct approach significantly helps our clients reduce costs, shorten lead times, and minimize supply chain complexity while ensuring seamless and reliable procurement. We are proud to be an IATF 16949 certified manufacturer, committed to exceptional product quality and understanding the diverse needs of our customers in both OEM production lines and the automotive aftermarket. With Zhejiang Zhongrui, you gain a stable supply chain partner with significant capacity and decades of manufacturing expertise.