S-93791A479 8-32 x 3/4" 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 mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting performance under heavy loads
• Precise thread engagement with Class 3A thread fit and UNC coarse spacing, ensuring secure fastening and reduced risk of cross-threading
• Efficient installation using a 3/32" hex drive and standard 82° countersink angle for flush mounting and easy assembly
• Full-threaded design maximizes grip length and holding power across the entire 3/4" length
• Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing quality and environmental safety
• Versatile flat head profile provides a smooth, unobtrusive finish suitable for various industrial applications

Professional Applications & Engineering Value

These 8-32 UNC flat head screws are engineered to address critical challenges in industrial assembly, such as vibration resistance, corrosion in demanding environments, and the need for reliable, high-strength fastening. The 18-8 stainless steel material, combined with a black-oxide passivated finish, offers enhanced durability against moisture, chemicals, and wear, reducing maintenance and replacement costs. The fully threaded design with UNC coarse spacing ensures quick installation and superior holding power in metals, plastics, and composite materials. Commonly used in machinery, automotive components, and electronic enclosures, these screws provide a secure, flush-mount solution that meets rigorous ASME B18.3 specifications, making them ideal for precision engineering and heavy-duty applications where failure is not an option.

Specification Summary & Compliance

This product adheres to Class 3A thread fit for high precision and UNC coarse thread standards, ensuring consistent performance. Manufacturing complies with ASME B18.3 specifications, with full conformance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental and safety standards. Dimensions include a 3/4" length, 0.164" thread diameter, and 82° countersink angle, all designed for exacting industrial requirements.