S-91274A122 M4 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 under high-stress conditions, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc-flake coating extends service life in harsh industrial environments, minimizing maintenance needs.
• Precise Class 5g6g thread fit guarantees smooth assembly and secure fastening, enhancing operational efficiency.
• High hardness (Rockwell C37) provides excellent wear resistance, maintaining integrity through repeated use.
• Fully threaded right-hand coarse design allows for quick installation and strong holding power in various materials.
• 3mm hex drive compatibility offers easy torque application with standard tools, reducing installation time.
• Compliance with DIN 912 and ISO 4762 standards ensures dimensional accuracy and interchangeability for global engineering projects.

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered for demanding industrial applications where reliability is critical. Made from zinc-flake-coated alloy steel, it addresses common issues like corrosion and mechanical failure in machinery, automotive assemblies, and precision equipment. The Class 12.9 strength rating and fully threaded metric design provide robust clamping force, preventing loosening under vibration. Its coarse thread pitch ensures quick engagement in metals and composites, while the 3mm hex drive allows for precise torque control in confined spaces. Ideal for high-stress environments, this screw enhances durability and reduces downtime in industrial fastener systems.

Specification Summary & Compliance

This product features a Class 5g6g thread fit per ISO standards, ensuring precise dimensional tolerances. It complies with DIN 912 and ISO 4762 for socket head cap screws, ASTM B117 for corrosion testing, and is RoHS 3 and REACH compliant for environmental safety.