S-97763A330 8-32 x 1/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing maintenance costs.
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads.
• Precise Class 3A thread fit provides excellent engagement and vibration resistance, minimizing loosening in critical assemblies.
• Hex drive (3/32") design allows for easy installation and removal with standard tools, enhancing assembly efficiency.
• Fully threaded shank offers consistent holding power along the entire length for versatile application use.
• Compliant with ASME B18.3, RoHS 3, and REACH standards, ensuring quality, safety, and environmental responsibility.
• Rounded button head profile reduces snagging and provides a smooth, low-profile finish for improved aesthetics and safety.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 8-32 UNC coarse thread screws address common challenges like corrosion and mechanical failure. The Black-Oxide 18-8 Stainless Steel material offers exceptional resistance to rust and oxidation, making them suitable for outdoor equipment, marine applications, and chemical processing plants where moisture and corrosive agents are present. The coarse UNC threading ensures quick assembly and strong grip in softer materials or where vibration is a concern, while the rounded head with hex drive facilitates secure tightening in confined spaces. This combination of high tensile strength (70,000 psi) and Rockwell B55 hardness provides durability against shear and tensile stresses, reducing the risk of fastener failure in machinery, automotive components, and structural frameworks. Ideal for B2B procurement, these screws deliver reliable performance in applications requiring corrosion-resistant and ASME B18.3 compliant fastening solutions.

Specification Summary & Compliance

This screw features precise Class 3A thread fit and UNC coarse threading with a thread size of 8-32, ensuring tight tolerances for secure fastening. It adheres to ASME B18.3 manufacturing specifications for dimensional accuracy and performance. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and environmentally safe for industrial use.