S-90288A831 10-32 x 3/4" ASME B18.6.3 Tamper-Resistant One-Way-Drive Stainless Steel Round Head 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 80,000 psi tensile strength and Rockwell B96 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A fit and fine UNF threading ensuring secure fastening in critical applications
• Enhanced tamper resistance featuring one-way drive style for security-sensitive installations
• Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
• Standard-compliant manufacturing meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental compliance with RoHS 3 and REACH regulations for safe use across regulated industries

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 10-32 UNF rounded head screws deliver exceptional performance in machinery assembly, electronic enclosures, and precision equipment. The 18-8 stainless steel composition combined with passivated surface treatment provides superior resistance to oxidation and chemical exposure, significantly extending service life in corrosive environments. The fine thread spacing and Class 2A thread fit ensure vibration-resistant fastening in applications where loosening could compromise system integrity. The fully threaded design maximizes engagement in thin materials and blind holes, while the rounded head profile offers streamlined installation without sharp edges. These characteristics make them particularly valuable in aerospace components, medical devices, and automotive systems where reliability and regulatory compliance are paramount.

Specification Summary & Compliance

This fastener maintains Class 2A thread fit tolerance with UNF fine threading (10-32 size) and complies with ASME B18.6.3 manufacturing standards. The 3/4" length provides precise dimensional control, while the mechanical properties guarantee 80,000 psi tensile strength and Rockwell B96 hardness. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe usage across global industrial markets.