S-90447A620 M12 x 75 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength grade and 150,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance thanks to black steel construction that provides enhanced protection in industrial environments
• Optimized fastening efficiency through M12 coarse thread (1.75mm pitch) design that prevents cross-threading and enables quick installation
• Secure torque transmission with external hex drive and 19mm head width for maximum tool engagement and reduced slipping
• Precise thread engagement control with partial threading and 30mm minimum thread length for accurate fastening depth in various materials
• Long-term reliability ensured by Rockwell C32 hardness that maintains structural integrity under repeated stress cycles
• Global compliance assurance meeting DIN 931 standards plus RoHS 3 and REACH environmental regulations for international project suitability

Professional Applications & Engineering Value

This M12 hex head screw delivers critical engineering solutions for industrial applications where vibration resistance and structural integrity are paramount. The Class 10.9 steel construction provides exceptional fatigue resistance, making it ideal for heavy machinery, construction frameworks, and automotive assemblies where dynamic loads are common. The partially threaded design with coarse pitch threading ensures optimal clamp force distribution while preventing loosening under vibration. The external hex drive configuration allows for high-torque installation with standard tools, reducing assembly time in manufacturing and maintenance operations. With its metric coarse thread specification and precise Class 6g thread fit, this fastener maintains consistent performance in steel-to-steel connections and structural steel applications where reliability cannot be compromised.

Specification Summary & Compliance

This high-strength hex head screw features M12 x 1.75mm coarse thread with Class 6g thread fit tolerance and 75mm total length. Manufactured to DIN 931 standards with precise dimensional accuracy, the fastener ensures consistent performance across industrial applications. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest international compliance requirements for industrial components. The Class 10.9 strength rating and material specifications guarantee reliable performance in accordance with global engineering standards.