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DIN 933 Hexagon Head Screws Threaded Up To The Head - Product Grades A and B

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DIN 933 Hexagon Head Screws are designed for straightforward and efficient assembly in automotive production lines:

Key Advantages for Your Applications:

  • Maximum Holding Power: The full thread design ensures optimal engagement and resistance to pull-out forces, crucial for maintaining the integrity of automotive assemblies.
  • Excellent Vibration Resistance: The tight thread engagement along the entire length helps to resist loosening caused by the vibrations inherent in vehicle operation.
  • Ease of Assembly: The standard hex head allows for quick and efficient tightening using common tools, contributing to streamlined production processes.
  • Versatile Application: Suitable for a wide range of fastening tasks throughout the vehicle, from structural components to engine and transmission assemblies.
  • Standardized and Readily Available: DIN 933 is a widely recognized standard, ensuring the availability of these screws from numerous suppliers globally.
  • Cost-Effective Solution: Offers a reliable and standardized fastening method at a competitive cost.

Ideal for:

  • Engine Assembly: Securing various engine components, brackets, and housings.
  • Transmission Mounting: Fastening the transmission to the vehicle chassis.
  • Chassis and Suspension Systems: Connecting structural members, brackets, and suspension components (often utilizing higher strength grades within DIN 933).
  • Body Panel Attachment: Securing various interior and exterior body panels and trims.
  • Seating Systems: Fastening seat frames, rails, and adjustment mechanisms.
  • Exhaust System Mounting: Securing exhaust pipes, manifolds, and catalytic converters.
  • Accessory Mounting: Attaching various automotive accessories, such as lights, sensors, and brackets.




Product Name Standard Material & Finish Diameter Length
Hexagon Head Screws GB/T 5783-2016 Carbon Steel, Zinc Plated M6 (6 mm) 20 mm
Hexagon Head Screws GB/T 5783-2016 Carbon Steel, Dacromet Coated M8 (8 mm) 25 mm
Hexagon Head Screws GB/T 5783-2016 Stainless Steel (A2-70) M10 (10 mm) 30 mm
Hexagon Head Screws ISO 4017:2022 8.8 Grade Steel, Black Oxide M12 (12 mm) 40 mm
Hexagon Head Screws DIN 933:1987 Carbon Steel, Hot-Dip Galvanized M16 (16 mm) 50 mm
Hexagon Head Screws ASME B18.2.3.1M ASTM A307 Steel, Plain 1/4" (6.35 mm) 1" (25.4 mm)
Hexagon Head Screws JIS B 1180:2014 SCM435 Alloy Steel, Zinc Flake M20 (20 mm) 100 mm
Hexagon Head Screws EN ISO 4017:2022 10.9 Grade Steel, Phosphated M24 (24 mm) 120 mm
Hexagon Head Screws ISO 4018:2022 Carbon Steel, Electroplated M6 (6 mm) 25 mm
Hexagon Head Screws DIN 931:1987 8.8 Grade Steel, Plain M8 (8 mm) 30 mm
Hexagon Head Screws ASME B18.2.1 ASTM A325 Steel, Zinc Plated 5/16" (7.94 mm) 1.5" (38.1 mm)
Hexagon Head Screws JIS B 1180 (ISO 8676) 12.9 Grade Steel, Dacromet M12 (12 mm) 50 mm
Hexagon Head Screws EN 14399-8:2007 HV Grade Steel, PTFE Coated M16 (16 mm) 60 mm
Hexagon Head Screws ISO 8765:2022 Alloy Steel, Black Oxide M10 (10 mm) 80 mm
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Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive DIN 933 Hexagon Head Screws Threaded Up To The Head - Product Grades A and B Suppliers and Custom DIN 933 Hexagon Head Screws Threaded Up To The Head - Product Grades A and B Factory.
Zhejiang Zhongrui Auto Parts Co., Ltd. was founded in 1986. The original unit is located in Ruian City, one of the birthplaces of Wenzhou's economic model, and is located in Tangxia, the "Auto Parts Capital of China". In 2004, in order to further expand its production scale, the company The industrial park in Jiaxing City, Zhejiang, which is located in a very advantageous location, acquired new land and built a modern production plant and office building. The company covers an area of ​​36,237 square meters, with a factory area of ​​20,000 square meters. The company's fixed assets are 130 million yuan.
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