S-91290A605 M12 x 85 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI for reliable performance in high-stress applications, preventing fastener failure.
• Superior corrosion resistance from the Black-Oxide coating, extending service life in demanding industrial environments.
• High hardness rating (Rockwell C37) ensures excellent wear resistance and durability under repetitive loads.
• Precise Class 5g6g thread fit provides consistent engagement and reduces the risk of cross-threading during assembly.
• Partially threaded design allows for secure clamping where unthreaded shank alignment is critical.
• Standard hex drive (10mm) offers easy installation with common tools and high torque transmission.
• Compliance with DIN 912/ISO 4762 guarantees dimensional accuracy and interchangeability in global machinery.

Professional Applications & Engineering Value

This M12 socket head cap screw is engineered for heavy-duty industrial applications where reliability is non-negotiable. The Class 12.9 alloy steel construction and Black-Oxide surface treatment address common challenges like vibrational loosening and environmental corrosion, making it ideal for machinery, automotive assemblies, and construction equipment. Its coarse thread (1.75mm pitch) ensures quick assembly and robust holding power, while the partially threaded rod provides precise bearing surface contact. By meeting DIN 912/ISO 4762 standards, it delivers consistent performance in critical metric fastening systems, reducing downtime and maintenance costs.

Specification Summary & Compliance

This screw features a Metric M12 x 1.75mm coarse thread with Class 5g6g thread fit per ISO standards, ensuring precise tolerance. It complies with DIN 912/ISO 4762 for dimensional accuracy and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming its adherence to environmental and safety regulations.