S-93190A541 1/4"-20 x 7/8" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Optimized for quick assembly with a coarse UNC thread and Class 2A fit, reducing installation time
• Maximum grip and holding power from the fully threaded design, preventing loosening under vibration
• Easy installation and removal with a standard 7/16" external hex head, compatible with common tools
• Long-term durability and material integrity maintained in demanding industrial applications
• Regulatory compliance assurance meeting ASME B18.2.1, RoHS 3, and REACH standards for safe, quality use

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 1/4"-20 UNC hex head screw in 316 stainless steel offers exceptional resistance to corrosion, chemicals, and high-stress conditions. The coarse thread and Class 2A thread fit ensure rapid, secure fastening in materials like metal, plastic, and composites, reducing assembly time and improving productivity. Its fully threaded design provides uniform clamping force, ideal for applications subject to vibration or dynamic loads. With a 70,000 psi tensile strength and external hex drive, it delivers reliable performance in construction, machinery, marine, and chemical processing equipment, where failure is not an option.

Specification Summary & Compliance

This fastener features a 1/4"-20 UNC coarse thread with Class 2A dimensional accuracy for consistent fit and performance. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, ensuring environmental safety and material quality for industrial use.