S-92949A271 10-32 x 1" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Precision thread engagement with Class 3A UNF fine threads providing secure, vibration-resistant fastening in critical applications
• High tensile strength rated at 70,000 psi for dependable performance under substantial mechanical loads
• Easy installation and removal with 1/8" hex drive design allowing efficient torque application in confined spaces
• Optimized head profile featuring a rounded button style that provides a finished appearance while minimizing protrusion
• Full threading along the 1" length ensures maximum grip and uniform stress distribution across the entire fastener
• Consistent hardness at Rockwell B55 maintains dimensional stability and prevents deformation during repeated use

Professional Applications & Engineering Value

These 10-32 UNF Class 3A rounded head screws deliver exceptional engineering value across industrial applications where precision and reliability are paramount. The 18-8 stainless steel composition combined with passivated finish provides superior protection against corrosion in manufacturing environments, chemical processing, and outdoor equipment. The fine thread spacing and Class 3A thread fit ensure tight tolerances for vibration-resistant assemblies in machinery, electronic enclosures, and precision instruments. The hex drive configuration enables high-torque installation without cam-out, while the rounded head profile eliminates sharp edges for improved safety in operator-accessible areas. These fully threaded fasteners maintain consistent 70,000 psi tensile strength throughout their length, providing reliable performance in high-stress applications where fastener failure is not an option.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit tolerances for precision applications. Features 10-32 UNF fine threads with right-hand orientation and full threading along the 1" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include Rockwell B55 hardness and 70,000 psi tensile strength, ensuring consistent performance across industrial applications.