S-90373A126 M12 x 60 mm ISO 4017, DIN 933 Extreme-Strength Metric Class12.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Class 12.9 strength grade delivering 170,000 psi tensile strength for critical structural applications
• Superior wear resistance thanks to Rockwell C39 hardness, ensuring extended service life in demanding environments
• Optimized torque transmission through the 19mm external hex head design, preventing tool slippage during installation
• Enhanced grip and vibration resistance with coarse 1.75mm thread pitch, maintaining secure fastening under dynamic loads
• Full-length thread engagement across the 60mm length provides consistent clamping force throughout the entire fastener
• Precision manufacturing to Class 6g thread fit ensures smooth installation and reliable performance in metric assemblies
• Global compliance assurance meeting ISO 4017 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M12 hex head screws deliver exceptional performance where failure is not an option. The Class 12.9 steel construction provides the highest commercially available strength grade, making them ideal for critical structural connections in machinery, construction, and automotive assemblies. The fully threaded metric coarse pitch design ensures maximum resistance to vibration loosening while facilitating quick installation. With Rockwell C39 hardness and 170,000 psi tensile strength, these fasteners withstand extreme mechanical stresses and repetitive loading cycles. The external hex drive allows for high-torque installation using standard tools, while the right-hand thread direction follows conventional assembly practices. These ISO 4017 compliant screws provide reliable performance in demanding environments where safety and durability are paramount concerns.

Specification Summary & Compliance

This M12 x 1.75mm hex head screw features precision Class 6g thread fit tolerance and 60mm length with full threading. Manufactured to ISO 4017 specifications (equivalent to DIN 933) with metric coarse thread spacing. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The Class 12.9 strength rating confirms adherence to the highest metric bolt classification standards for superior mechanical performance.