S-91249A145 6-32 x 5/16" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Enhanced corrosion protection with black-oxide coating on 18-8 stainless steel, ideal for harsh industrial environments
• Superior mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Excellent thread engagement through fully threaded UNC coarse pitch design, ensuring maximum holding power
• Precise installation control with No. 2 Phillips drive and standard pan head profile for secure torque application
• Consistent dimensional accuracy with Class 2A thread fit, providing reliable mating with standard nuts and components
• Broad regulatory compliance meeting ASME B18.6.3 specifications, RoHS 3, and REACH for global industrial applications
• Optimized head design featuring rounded pan profile for reduced surface protrusion and improved aesthetic integration

Professional Applications & Engineering Value

These black-oxide 18-8 stainless steel screws deliver exceptional performance in demanding applications where corrosion resistance and mechanical reliability are critical. The combination of fully threaded UNC coarse pitch and Class 2A thread fit ensures rapid installation and secure fastening in electronics, machinery, and industrial equipment assemblies. The Phillips pan head design with No. 2 drive size provides efficient torque transfer while the rounded profile minimizes snagging hazards. Engineered to withstand corrosive environments including chemical processing, marine applications, and outdoor installations, these screws maintain integrity under vibration and thermal cycling while complying with international standards for industrial safety and environmental responsibility.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread specifications. Complies with ASME B18.6.3 mechanical and dimensional requirements, ensuring interchangeability and reliability in industrial fastening systems. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming restriction of hazardous substances. The 18-8 stainless steel material provides consistent performance across the 6-32 thread size with 5/16" length, maintaining specified tensile strength and hardness properties throughout service life.