S-91180A716 M12 x 30 mm ISO 8676, DIN 961 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that extends service life in demanding industrial environments
• Exceptional load-bearing capacity with Class 8.8 strength rating and 110,000 psi tensile strength for heavy-duty applications
• Precision thread engagement with Class 6h fit and extra fine 1.25mm pitch ensuring vibration-resistant, secure fastening
• Optimized torque transmission through external hex drive design that prevents tool slippage during installation
• Full-length thread coverage providing maximum grip strength and uniform stress distribution along the entire 30mm length
• Guaranteed dimensional accuracy manufactured to ISO 8676 DIN 961 specifications for reliable interchangeability
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use across global markets

Professional Applications & Engineering Value

This M12 hex head screw delivers critical engineering advantages in precision assembly applications where vibration resistance and consistent clamping force are paramount. The extra fine 1.25mm thread pitch creates more thread contact points per unit length, significantly enhancing joint stability in machinery, automotive components, and structural frameworks subject to dynamic loads. Manufactured from zinc plated steel with Rockwell C21 hardness, this fastener maintains dimensional integrity under repeated stress cycles while providing essential corrosion protection. The fully threaded design ensures uniform load distribution across the entire 30mm length, eliminating stress concentration points that can lead to premature failure. For engineers specifying metric fasteners with exacting tolerance requirements, this screw's Class 6h thread fit guarantees precise mating with tapped holes, reducing installation time and improving production line efficiency.

Specification Summary & Compliance

This precision hex head screw features M12 x 1.25mm extra fine metric threading with Class 6h tolerance per ISO standards. Manufactured to ISO 8676 DIN 961 specifications, it maintains dimensional accuracy throughout its 30mm length. The fastener meets Class 8.8 strength requirements with verified 110,000 psi tensile strength and Rockwell C21 hardness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring unrestricted use in industrial applications worldwide.