S-92610A915 5/16"-18 x 7/8" ASTM A574 Torx Alloy Steel Socket Head Screws
Torx Alloy Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior torque transmission with Torx Plus IP45 drive system that minimizes cam-out and tool wear
- Exceptional strength and durability with 180,000 psi tensile strength and Rockwell C39 hardness for demanding applications
- Precise thread engagement through Class 3A thread fit ensuring reliable fastening in critical assemblies
- Enhanced corrosion resistance from black-oxide coating that protects against industrial environments
- Optimized for high-vibration applications with coarse UNC threads that maintain secure connections
- Full compliance with industry standards including ASTM A574 for consistent quality and performance
- Environmental regulation compliance meeting RoHS 3 and REACH requirements for global manufacturing
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws deliver exceptional engineering value in demanding industrial environments where fastener failure is not an option. The combination of Torx Plus IP45 drive and Class 3A UNC coarse threads provides superior torque transmission while resisting vibration-induced loosening in machinery, automotive assemblies, and heavy equipment. The 180,000 psi tensile strength and Rockwell C39 hardness ensure these fasteners maintain structural integrity under extreme loads, while the black-oxide surface treatment offers corrosion protection in harsh operating conditions. Engineered to ASTM A574 specifications, these socket screws provide reliable performance in critical applications where precision and durability are paramount.
Specification Summary & Compliance
This 5/16"-18 UNC socket head cap screw features precise Class 3A thread fit with coarse thread spacing and right-hand thread direction. Manufactured from high-strength alloy steel with black-oxide finish, the fastener meets ASTM A574 specifications and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The combination of dimensional accuracy and material properties ensures consistent performance across industrial applications requiring high-strength fastening solutions.
