S-92610A540 1/4"-20 x 3/4" ASTM A574 Torx Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 180,000 psi for reliable performance in high-stress applications
• Superior torque transmission with Torx Plus IP30 drive design that minimizes cam-out and tool slippage
• Enhanced corrosion resistance through black-oxide coating on alloy steel for extended service life
• Precise thread engagement with Class 3A UNC coarse threads ensuring secure fastening in industrial equipment
• Consistent hardness rating of Rockwell C39 providing excellent wear resistance and durability
• Full regulatory compliance meeting ASTM A574, RoHS 3, and REACH standards for global industrial use
• Optimized drive efficiency with standard socket head profile allowing easy access in confined spaces

Professional Applications & Engineering Value

These black-oxide alloy steel socket head cap screws deliver critical performance advantages for demanding industrial applications where failure is not an option. The combination of high tensile strength (180,000 psi) and Rockwell C39 hardness ensures these fasteners withstand extreme mechanical stresses in heavy machinery, automotive assemblies, and precision equipment. The Torx Plus IP30 drive system addresses common installation challenges by providing superior torque transfer while significantly reducing cam-out incidents that can damage fastener heads and compromise assembly integrity. The Class 3A UNC coarse threads offer rapid installation and reliable clamping force in materials where fine threads might strip or fail. Engineered for industrial fastening applications requiring both strength and corrosion resistance, these screws maintain dimensional stability under continuous load conditions.

Specification Summary & Compliance

This 1/4"-20 x 3/4" socket head cap screw features precise Class 3A thread fit with UNC coarse threads and right-hand thread direction. Manufactured to ASTM A574 specification for high-strength alloy steel socket head cap screws, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial components. The black-oxide surface treatment provides additional corrosion protection while maintaining the screw's dimensional accuracy and mechanical properties.