S-93595A110 1/4"-20 x 5/8" ASTM B456 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Chrome Plated 18-8 Stainless Steel construction for extended service life in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
• Precise thread engagement through Class 3A fit UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized torque transmission with 3/16" hex drive socket head design for efficient installation and removal
• Full-threaded design providing maximum grip length and uniform load distribution across the entire fastener
• Comprehensive compliance with ASTM B456 standards and environmental regulations including RoHS 3 and REACH
• Right-hand coarse threading for quick assembly and disassembly in industrial maintenance applications

Professional Applications & Engineering Value

This 1/4-20 UNC Socket Head Cap Screw delivers critical performance advantages for demanding industrial applications. The Chrome Plated 18-8 Stainless Steel construction provides exceptional corrosion resistance while maintaining high tensile strength, making it ideal for machinery, equipment manufacturing, and assembly lines where exposure to moisture and chemicals is common. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of cross-threading and providing reliable clamping force in high-vibration environments. With its 3/16" hex drive and standard socket head profile, installation is streamlined using common Allen wrenches, while the fully threaded design maximizes contact surface for superior load distribution. These industrial socket screws are engineered to maintain integrity under continuous operational stress, offering long-term reliability in automotive, aerospace, and heavy equipment applications where fastener failure is not an option.

Specification Summary & Compliance

This socket head cap screw features precision 1/4-20 UNC coarse threads with Class 3A fit for tight tolerance applications. Manufacturing and material specifications comply with ASTM B456 standards for electrodeposited coatings. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements for chemical safety. The fastener maintains dimensional accuracy throughout its 5/8" length with consistent thread geometry and proper head dimensions (3/8" diameter, 1/4" height) for reliable performance in industrial assemblies.