S-93791A453 6-32 x 3/8" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and black-oxide passivated finish, ideal for harsh industrial environments.
• Exceptional tensile strength of 70,000 psi ensures reliable, long-lasting fastening under high-stress conditions.
• Precise Class 3A thread fit guarantees secure engagement and reduces the risk of cross-threading during installation.
• Hex drive design (5/64") provides excellent torque transmission and prevents tool slippage for efficient assembly.
• Full threading along the 3/8" length offers maximum grip and adjustability in various material thicknesses.
• Compliance with ASME B18.3 standards ensures consistent quality and interchangeability for professional applications.
• RoHS 3 and REACH compliant for safe use in regulated industries, supporting environmental and health standards.

Professional Applications & Engineering Value

These 6-32 UNC flat head screws are engineered to address common industrial challenges, such as corrosion and mechanical failure. The 18-8 stainless steel material, combined with a black-oxide passivated finish, provides excellent resistance to rust and oxidation, making them suitable for outdoor, marine, or chemical-exposed settings. The coarse thread spacing and Class 3A thread fit ensure quick, secure fastening in metals or plastics, reducing assembly time and improving reliability. With a flat head profile and 82° countersink angle, they sit flush for streamlined surfaces in machinery, electronics, and automotive assemblies, minimizing snagging and enhancing safety. Ideal for applications demanding high tensile strength and corrosion resistance, these screws deliver consistent performance in demanding B2B environments.

Specification Summary & Compliance

This product features precise Class 3A thread fit and adheres to UNC thread standards with a size of 6-32 and coarse spacing. Manufacturing complies with ASME B18.3 specifications, ensuring dimensional accuracy for the 3/8" length, 0.138" thread diameter, and standard flat head design. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and suitability for global industrial use.