S-91500A332 10-32 x 2 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A fit and 10-32 UNF fine threads ensuring secure fastening and vibration resistance
• Enhanced durability through passivated surface finish, increasing longevity and protecting against surface degradation
• Optimized flush mounting with standard 82° flat head profile for seamless installation in countersunk applications
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated industries

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. Manufactured from 316 stainless steel with a passivated finish, they effectively combat degradation from moisture, chemicals, and salt spray - making them ideal for marine equipment, chemical processing plants, and food processing machinery. The fully threaded design and Class 2A thread fit provide maximum grip length and precise engagement, preventing loosening under vibration while the Phillips drive ensures efficient installation. The flat head configuration with standard 82° countersink allows for flush mounting in precision assemblies where protruding fasteners are unacceptable, delivering both aesthetic cleanliness and functional safety.

Specification Summary & Compliance

This 2 1/2" flat head screw features precision 10-32 UNF fine threads with Class 2A thread fit per standard inch system tolerances. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) requirements for chemical safety, ensuring regulatory acceptance across industrial markets.