S-91306A803 M12 x 90 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength rating and 140,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in harsh environments
• Optimized torque transmission with 8mm hex drive design ensuring secure installation and preventing tool slippage
• Enhanced thread engagement through Class 6g thread fit and coarse 1.75mm pitch for faster assembly and reduced cross-threading risk
• Consistent mechanical properties with Rockwell C32 hardness maintaining dimensional stability under repeated loads
• Versatile rounded head profile providing smooth finished appearance while accommodating standard wrench access
• Full threading along 90mm length offering maximum adjustment flexibility and uniform stress distribution

Professional Applications & Engineering Value

This M12 hex screw delivers critical engineering solutions where vibration resistance and structural integrity are paramount. The zinc-plated alloy steel construction provides essential corrosion protection for outdoor equipment, automotive assemblies, and industrial machinery exposed to moisture and chemicals. The Class 10.9 high-strength metric screw maintains clamping force in dynamic load conditions, preventing joint failure in construction frameworks and heavy machinery. The coarse 1.75mm pitch thread enables rapid installation in production environments while the fully threaded design ensures consistent engagement across varying material thicknesses. Engineered to ISO 7380 standards, this fastener delivers predictable performance for OEM specifications and maintenance applications requiring dependable heavy-duty fastening solutions.

Specification Summary & Compliance

This metric fastener features precise Class 6g thread fit tolerances with M12 x 1.75mm coarse pitch threading and right-hand orientation. Manufactured to ISO 7380 specifications for dimensional consistency and performance reliability. Compliant with RoHS 3 (2015/863/EU) hazardous substance restrictions and REACH (EC 1907/2006) chemical safety standards, ensuring environmental responsibility and workplace safety compliance.