S-90117A720 1/2"-13 x 2" ASME B18.3 Alloy Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength (170,000 psi) ensures reliable performance under high-stress industrial conditions
• Precision Class 3A thread fit provides superior engagement and vibration resistance in demanding applications
• Black-oxide surface treatment on alloy steel offers enhanced corrosion resistance for extended service life
• Standard hex socket drive (3/8") allows for secure tool engagement and high torque application
• Coarse UNC thread profile enables quick assembly and disassembly while maintaining strong holding power
• Full threading along 2" length provides maximum adjustability and clamping force distribution
• Rockwell C37 hardness rating guarantees durability and resistance to wear in repetitive use scenarios

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these socket head cap screws solve critical fastening challenges where space constraints and high tensile requirements coexist. The black-oxide alloy steel construction combined with Class 3A thread fit ensures precise alignment and reliable performance in machinery, automotive assemblies, and heavy equipment. The coarse UNC thread design prevents cross-threading during installation while maintaining excellent vibration resistance. With 170,000 psi tensile strength and standardized hex drive compatibility, these fasteners deliver consistent clamping force in critical joints, reducing maintenance downtime and improving overall equipment reliability.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit tolerance for precision applications. Features 1/2"-13 UNC coarse threads with right-hand orientation and fully threaded design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.