S-97763A231 10-32 x 3/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
• Superior thread engagement and vibration resistance due to Class 3A fine UNF threads ensuring precise, reliable fastening
• High tensile strength of 70,000 psi provides dependable load-bearing capacity for critical applications
• Rockwell B55 hardness offers excellent durability and resistance to wear and deformation
• Easy installation and removal with 1/8" hex drive design, allowing for efficient assembly in confined spaces
• Fully threaded shank ensures maximum grip and uniform stress distribution along the entire length
• Low-profile rounded button head reduces snagging risks and provides a smooth, finished appearance

Professional Applications & Engineering Value

These 10-32 UNF Class 3A Black-Oxide 18-8 Stainless Steel rounded head screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The fine thread spacing and Class 3A fit deliver tight tolerances, minimizing the risk of thread stripping and ensuring secure fastening in precision assemblies like machinery, electronics, and automotive components. The Black-Oxide surface treatment enhances corrosion resistance, making these hex drive screws suitable for outdoor or chemically aggressive environments. With a fully threaded design and high tensile strength, they provide consistent clamping force and reliability in applications requiring repeated disassembly, reducing maintenance downtime and improving operational efficiency.

Specification Summary & Compliance

This screw features a 10-32 UNF thread size with Class 3A thread fit for high precision, and is manufactured to ASME B18.3 standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial use.