S-91306A779 M8 x 45 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 10.9 rating and 140,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance provided by zinc-plated alloy steel construction, extending service life in harsh industrial environments
• Secure and efficient installation with 5mm hex drive design that prevents stripping and ensures proper torque application
• Precision threading compatibility featuring M8 x 1.25mm coarse thread with Class 6g fit for easy assembly and vibration resistance
• Optimized head design with rounded button profile that provides a finished appearance while minimizing protrusion in tight spaces
• Full thread coverage along the 45mm length ensures maximum grip strength and uniform stress distribution
• Global compliance assurance meeting ISO 7380 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

These M8 metric screws with Class 10.9 strength rating and zinc-plated alloy steel construction deliver exceptional performance in critical industrial applications where vibration resistance and long-term reliability are paramount. The fully threaded design with coarse thread pitch ensures rapid assembly while maintaining superior holding power in machinery, equipment frames, and structural components. The rounded button head profile combined with hex drive installation provides both aesthetic appeal and practical benefits by reducing snag points and allowing high torque application without damaging the fastener. Engineered to withstand extreme mechanical stresses while maintaining Rockwell C32 hardness, these screws prevent thread deformation and maintain clamping force in high-vibration environments common in manufacturing, automotive, and heavy equipment applications.

Specification Summary & Compliance

This M8 x 1.25 x 45mm fastener features precision Class 6g thread fit according to metric standards with right-hand coarse threading. Manufacturing and quality control strictly adhere to ISO 7380 specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and workplace safety compliance.