S-92610A542 1/4"-20 x 1" ASTM A574 Torx Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior torque transmission with Torx Plus IP30 drive for reduced cam-out and extended tool life
• Exceptional tensile strength of 180,000 psi ensures reliable performance in high-stress applications
• Enhanced corrosion resistance from black-oxide coating on alloy steel for improved durability
• Precise Class 3A thread fit provides secure fastening with minimal play in demanding assemblies
• Consistent hardness (Rockwell C39) maintains structural integrity under repeated loading
• Broad compliance coverage meets ASTM A574, RoHS 3, and REACH standards for global industrial use
• Right-hand UNC coarse threads enable quick installation and high resistance to vibration loosening

Professional Applications & Engineering Value

These black-oxide alloy steel socket head cap screws deliver critical reliability in machinery, automotive, and heavy equipment applications where vibration resistance and high tensile strength are paramount. The Torx Plus IP30 drive system eliminates common stripping issues during high-torque assembly, while the Class 3A thread fit ensures precise engagement in tapped holes. The combination of 180,000 psi tensile strength and corrosion-resistant coating addresses both mechanical failure and environmental degradation concerns, making these 1/4"-20 UNC fasteners ideal for permanent installations in demanding industrial environments.

Specification Summary & Compliance

Manufactured to ASTM A574 specifications with Class 3A thread tolerance for superior fit. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. Features UNC coarse threads in right-hand direction with 1" length and standard socket head profile. Alloy steel construction with black-oxide surface treatment provides consistent performance across industrial applications.