S-92949A826 10-32 x 1 1/8" ASME B18.3, ASTM F879 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, ideal for harsh environments.
• Exceptional thread precision with Class 3A fine thread fit for secure, vibration-resistant fastening in critical assemblies.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Easy installation and removal thanks to the hex drive design, reducing assembly time and tool wear.
• Full threading along the 1 1/8" length provides maximum grip and uniform load distribution.
• Durable Rockwell B55 hardness maintains structural integrity and resists deformation during repeated use.
• Compliant with ASME B18.3, RoHS 3, and REACH for guaranteed quality, safety, and environmental standards.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 10-32 UNF rounded head screws deliver reliable fastening in machinery, electronics, and automotive systems. The 18-8 stainless steel material, combined with a passivated finish, offers excellent resistance to rust and chemical exposure, extending service life in humid or corrosive conditions. The Class 3A thread fit and fine threading ensure tight tolerances, minimizing loosening from vibrations—a common issue in dynamic applications. With a hex drive and button head style, they allow for efficient torque application and a low-profile installation, making them ideal for space-constrained assemblies where both strength and aesthetics matter.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit per UNF standards, ensuring precise dimensional accuracy. It meets ASME B18.3 specifications for consistent manufacturing quality and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.