S-92949A262 10-32 x 5/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh environments and extended service life.
• Exceptional thread precision and reliability through Class 3A UNF fine threading, ensuring secure, vibration-resistant fastening in critical assemblies.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, providing dependable load-bearing capacity under stress.
• Efficient installation and removal using the 1/8" hex drive, allowing for quick, tool-friendly assembly in confined spaces.
• Full thread engagement with fully threaded design, maximizing grip and distribution of clamping force along the entire length.
• Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.
• Versatile rounded button head profile offering a low-profile, aesthetically pleasing finish that reduces snagging and improves safety.

Professional Applications & Engineering Value

This 10-32 UNF Class 3A rounded head screw in 18-8 stainless steel addresses common industrial challenges such as corrosion-induced failure and thread stripping. The passivated finish enhances surface durability, significantly prolonging life in moist or chemical-exposed settings like marine equipment, food processing machinery, and outdoor enclosures. Its fine UNF threading and Class 3A fit provide tight tolerances, minimizing loosening under vibration—critical in automotive, aerospace, and precision instrument assemblies. The combination of 70,000 psi tensile strength and a hex drive ensures robust, repeatable fastening, reducing maintenance downtime and improving overall system integrity for B2B buyers seeking reliable, high-performance industrial fasteners.

Specification Summary & Compliance

This screw maintains precise Class 3A thread fit per UNF standards, with a diameter of 0.19" and fine thread spacing. It is manufactured in accordance with ASME B18.3 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety guidelines for industrial use.