S-91251A907 10-32 x 6" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating on alloy steel for extended service life in harsh industrial environments
• Exceptional load-bearing capacity with 170,000 psi tensile strength to withstand high-stress applications without failure
• Precise thread engagement with Class 3A fit ensuring reliable fastening and vibration resistance in critical assemblies
• Optimized torque transmission through hex socket drive design preventing cam-out and enabling high tightening forces
• Enhanced durability with Rockwell C37 hardness maintaining structural integrity under repeated loading conditions
• Versatile partial threading allowing both clamping and alignment functions in complex mechanical systems
• Regulatory compliance assurance meeting ASTM A574, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 10-32 UNF socket head cap screws deliver critical performance advantages in demanding industrial settings where fine thread spacing and high-strength fastening are paramount. The black-oxide alloy steel construction provides superior corrosion protection while maintaining the 170,000 psi tensile strength necessary for heavy machinery, automotive assemblies, and precision equipment. Engineered with Class 3A thread fit, these screws ensure zero-backlash connections in vibration-prone applications, while the partially threaded design offers flexibility for both clamping and positioning functions. The hex socket drive enables high-torque installation in confined spaces, making them ideal for maintenance-critical applications where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to ASTM A574 specifications with Class 3A thread fit precision and UNF fine thread standards. Features include 10-32 thread size, 6" length with 7/8" minimum thread engagement, and right-hand thread orientation. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial markets and sensitive applications.