S-91773A829 10-32 x 1/2" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Precision thread engagement through Class 2A thread fit and UNF fine threading ensures secure fastening in critical applications
• Optimized drive efficiency with No. 2 Phillips drive providing positive torque transmission and reduced cam-out risk
• Maximum holding power from fully threaded design that distributes stress evenly along the entire 1/2" length
• Regulatory compliance assurance meeting ASME B18.6.3 standards plus RoHS 3 and REACH environmental directives
• Versatile rounded head profile offering smooth surface transition and reduced risk of snagging in assembled components

Professional Applications & Engineering Value

These 10-32 UNF rounded head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The combination of 18-8 stainless steel material with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, extending service life in manufacturing equipment, electrical enclosures, and marine applications. The fully threaded design ensures maximum thread engagement in both thick and thin materials, while the UNF fine thread spacing offers superior vibration resistance compared to coarse thread alternatives. The rounded head profile with Phillips drive facilitates quick installation in confined spaces while maintaining a low-profile appearance. These screws solve common engineering challenges including galvanic corrosion, thread stripping, and fastener failure under dynamic loads.

Specification Summary & Compliance

This 10-32 UNF screw features precision Class 2A thread fit tolerances with right-hand thread direction and fine thread spacing. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. Additional specifications include 0.359" head diameter, 0.137" head height, and fully threaded 1/2" length configuration.