S-91290A643 M12 x 120 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance provided by black-oxide coating on alloy steel, extending service life in harsh industrial environments
• Precise torque transmission through 10mm hex drive socket head, ensuring secure fastening and reducing tool slippage
• Optimized thread engagement with partially threaded M12x1.75mm coarse thread design, providing excellent grip while minimizing material stress
• Consistent dimensional accuracy maintained through Class 5g6g thread fit, ensuring reliable mating with standard components
• Enhanced hardness performance with Rockwell C37 rating, resisting wear and deformation under heavy loads
• Global compliance assurance meeting DIN 912/ISO 4762 standards plus RoHS 3 and REACH environmental regulations

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M12 socket head cap screws deliver critical performance where reliability matters most. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining the Class 12.9 strength rating essential for high-stress assemblies. The partially threaded design ensures optimal clamping force distribution, preventing joint loosening in vibrating environments. With 170,000 psi tensile strength and Rockwell C37 hardness, these fasteners withstand extreme mechanical loads in machinery, automotive, and construction applications. The 10mm hex drive allows for high-torque installation in confined spaces, while the coarse metric thread facilitates quick assembly without compromising holding power.

Specification Summary & Compliance

This socket head cap screw features M12x1.75mm coarse thread with Class 5g6g thread fit tolerance and right-hand thread direction. Manufactured to DIN 912/ISO 4762 specifications with 120mm length and 36mm minimum thread length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.