S-97763A316 2-56 x 3/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Precise Class 3A thread fit provides secure, tight fastening with minimal risk of loosening
• Hex drive design (0.050") allows for easy installation and removal with standard tools
• Fully threaded construction offers maximum grip and uniform stress distribution along the entire length
• Coarse UNC threading enables quick assembly and reduced cross-threading in various materials
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality and environmental safety for global supply chains

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 2-56 UNC thread rounded head screws deliver exceptional reliability in machinery, electronics, and automotive assemblies. The Black-Oxide 18-8 Stainless Steel construction resists oxidation and chemical exposure, extending service life in corrosive conditions. With a 70,000 psi tensile strength and Rockwell B55 hardness, they withstand high stress without deformation. The hex drive and coarse thread spacing facilitate rapid installation, reducing downtime in production lines. Ideal for applications requiring Class 3A thread fit precision, these screws ensure leak-proof and vibration-resistant connections in critical components.

Specification Summary & Compliance

This screw features a 2-56 UNC coarse thread with Class 3A fit for high precision, a 3/8" length, and fully threaded design. It conforms to ASME B18.3 manufacturing standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to international safety and environmental regulations.