S-91274A138 M6 x 12 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc-flake coating extends service life in harsh industrial environments, minimizing maintenance needs.
• Precision Class 5g6g thread fit provides consistent engagement and vibration resistance, enhancing assembly reliability.
• High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity under repeated use.
• Standard hex socket drive (5mm) allows for easy installation with common tools, speeding up assembly processes.
• Full threading along the 12mm length ensures maximum grip and uniform load distribution in fastened components.
• Compliance with DIN 912 and ISO 4762 guarantees dimensional accuracy and interchangeability, supporting global engineering standards.

Professional Applications & Engineering Value

This M6 socket head cap screw is engineered for demanding industrial settings where precision and durability are critical. Made from zinc-flake-coated alloy steel, it combats corrosion in environments exposed to moisture, chemicals, or outdoor elements, addressing common failure points in machinery and structural assemblies. The Class 12.9 strength rating and coarse 1mm pitch metric thread provide robust clamping force and resistance to loosening under vibration, making it ideal for heavy-duty applications like automotive manufacturing, industrial equipment, and precision engineering. Its right-hand thread direction and standard hex drive facilitate quick, secure installations, reducing downtime and ensuring long-term operational reliability in high-stress scenarios.

Specification Summary & Compliance

This screw features M6 x 1mm coarse threads with a Class 5g6g thread fit per ISO standards, ensuring precise dimensional tolerances. It is manufactured in accordance with DIN 912 and ISO 4762 specifications for socket head cap screws, and meets ASTM B117 for corrosion testing. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards in industrial supply chains.