S-90358A149 M12 x 12 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through black-oxide alloy steel construction, ideal for harsh industrial environments
• Superior torque transmission with 6mm hex drive and ultra-low socket head profile for secure fastening in confined spaces
• High load-bearing capability with 140,000 PSI tensile strength and Rockwell C32 hardness for demanding applications
• Reliable thread engagement with Class 5g6g coarse threads ensuring consistent performance and vibration resistance
• Precision dimensional control with length tolerance of ±0.127mm for accurate fit and assembly repeatability
• Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This M12 socket head cap screw delivers critical engineering solutions where space constraints and corrosion resistance are paramount. The black-oxide alloy steel construction provides superior protection against oxidation in manufacturing environments, while the ultra-low head profile enables installation in tight clearance applications without compromising strength. The Class 5g6g thread fit ensures precise engagement with mating components, reducing the risk of cross-threading in automated assembly lines. With its 140,000 PSI tensile strength and coarse thread pitch, this fully threaded fastener maintains clamping force under dynamic loads and vibration, making it ideal for machinery, equipment frames, and precision tooling where reliability cannot be compromised.

Specification Summary & Compliance

This metric socket head cap screw features M12 x 1.75mm coarse threads with Class 5g6g tolerance per ISO standards, ensuring precise thread fit. The 12mm length maintains ±0.127mm tolerance for dimensional accuracy. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental compliance for industrial applications worldwide. The fully threaded design and right-hand thread direction follow standard metric fastener specifications.