S-91274A158 M10 x 25 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 the zinc-flake coating extends service life, even in harsh industrial environments.
• High hardness (Rockwell C37) provides excellent wear resistance, maintaining thread integrity through repeated use.
• Precise Class 5g6g thread fit allows for smooth installation and secure fastening, minimizing assembly time and errors.
• Fully threaded design offers consistent clamping force along the entire length, ideal for applications requiring uniform pressure distribution.
• Compliance with DIN 912 and ISO 4762 standards guarantees dimensional accuracy and interchangeability, ensuring compatibility with global engineering specifications.
• RoHS 3 and REACH compliance meets environmental regulations, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This M10 socket head cap screw is engineered from zinc-flake-coated alloy steel to address critical challenges in industrial assemblies, such as vibration loosening and environmental degradation. The Class 12.9 strength rating and coarse 1.5 mm pitch thread provide robust clamping force for heavy machinery, automotive systems, and precision equipment, where high tensile loads are common. Its fully threaded, right-hand design ensures easy installation with standard 8 mm hex drive tools, reducing assembly time while maintaining alignment in tight spaces. By meeting DIN 912 and ISO 4762 specifications, it delivers consistent performance in demanding applications, from manufacturing jigs to structural frameworks, enhancing durability and reducing maintenance costs.

Specification Summary & Compliance

This screw features M10x1.5 mm coarse threads with a Class 5g6g thread fit per ISO standards, ensuring precise dimensional accuracy. It complies with DIN 912 and ISO 4762 for head and thread geometry, and meets ASTM B117 for corrosion testing. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, adhering to environmental and safety regulations for industrial use.