S-93791A472 8-32 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 rated at 70,000 psi for reliable, long-lasting fastening in demanding applications
• Precision Class 3A thread fit ensures consistent engagement and vibration resistance with UNC coarse threading
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Enhanced installation efficiency through hex drive design requiring only 3/32" tooling
• Full regulatory compliance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH
• Consistent performance backed by Rockwell B55 hardness rating and fully threaded design for maximum grip length

Professional Applications & Engineering Value

These 8-32 UNC flat head screws deliver critical engineering advantages in industrial settings where corrosion resistance and precise fastening are paramount. The combination of 18-8 stainless steel material and black-oxide passivated finish provides dual-layer protection against oxidation and chemical exposure, making them ideal for machinery, electronic enclosures, and outdoor equipment. The Class 3A thread fit with coarse thread spacing ensures rapid assembly while maintaining vibration resistance, significantly reducing maintenance cycles. The 82° countersink angle and flat head profile allow for flush mounting in precision applications, eliminating protrusions that could interfere with moving components. These screws solve common industrial challenges including galvanic corrosion, thread stripping, and installation inefficiency through their optimized design and material properties.

Specification Summary & Compliance

This 8-32 UNC flat head screw features precise dimensional control with Class 3A thread fit tolerances and standardized 82° countersink angle. Manufacturing adheres to ASME B18.3 specifications ensuring consistent quality and performance. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial applications requiring strict material restrictions.