S-91294A258 M6 x 70 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from the black-oxide coating extends service life and maintains integrity in harsh or humid industrial environments.
• High-strength Class 10.9 rating guarantees consistent load-bearing capacity and durability for critical assemblies.
• Precise Class 6g thread fit provides smooth installation and secure fastening, minimizing play and vibration loosening.
• Fully threaded M6 coarse pitch design allows for deep engagement and strong holding power across various material thicknesses.
• 4 mm hex drive and flat head profile enable easy, flush installation with standard tools, saving time and improving aesthetics.
• Compliance with DIN 7991/ISO 10642 standards ensures dimensional accuracy and interoperability in metric fastener systems.

Professional Applications & Engineering Value

This M6 flat head screw is engineered to address common industrial challenges such as vibration-induced loosening and environmental degradation. Made from black-oxide alloy steel, it combines high Rockwell C32 hardness with excellent corrosion resistance, making it ideal for machinery, automotive, and structural applications where reliability is critical. The fully threaded coarse pitch and right-hand thread design ensure quick assembly and robust clamping force, while the 90° countersink angle allows for a seamless fit in pre-drilled holes. By meeting stringent DIN 7991/ISO 10642 specifications, this screw delivers consistent performance in high-stress environments, reducing maintenance needs and enhancing operational safety.

Specification Summary & Compliance

This fastener features an M6 x 1 mm coarse thread with Class 6g thread fit for precise tolerance, and is manufactured to DIN 7991/ISO 10642 standards for dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use.