S-91251A150 6-32 x 5/8" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, ideal for harsh industrial environments
• High tensile strength of 170,000 psi ensures reliable performance under heavy loads
• Precise Class 3A thread fit provides superior engagement and vibration resistance
• Fully threaded design offers maximum grip and uniform load distribution
• Hex socket drive (7/64") allows for high-torque installation in confined spaces
• ASTM A574 compliance guarantees consistent quality and material integrity
• RoHS 3 & REACH compliance meets international environmental and safety standards

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these black-oxide alloy steel socket head cap screws deliver outstanding durability where corrosion resistance and high strength are critical. The 6-32 UNC coarse thread with Class 3A fit ensures secure fastening in metal assemblies, machinery, and equipment subjected to vibration and dynamic loads. The fully threaded design maximizes contact area, distributing stress evenly to prevent joint failure. With a Rockwell C37 hardness and 170,000 psi tensile strength, these screws withstand extreme conditions in automotive, aerospace, and heavy machinery applications, reducing maintenance needs and downtime.

Specification Summary & Compliance

This 5/8" length socket head cap screw features a 6-32 UNC coarse thread with Class 3A precision tolerance for reliable fit. Manufactured to ASTM A574 specifications, it ensures consistent mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental and safety requirements for industrial use.