S-93190A687 7/16"-20 x 1 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and reduces the risk of fastener failure.
• Class 2A thread fit provides consistent, smooth assembly with standard nuts and threaded components.
• Fully threaded design maximizes grip and clamping force across the entire length for secure fastening.
• External hex drive allows for easy installation and removal with common tools, improving maintenance efficiency.
• Fine UNF thread spacing offers better vibration resistance and precise adjustment in critical applications.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 316 stainless steel hex head screw is engineered to address common industrial challenges such as corrosion, high stress, and regulatory compliance. The UNF fine thread and Class 2A fit ensure tight, reliable connections in machinery, marine equipment, and chemical processing systems where vibration and harsh conditions are prevalent. Its fully threaded design distributes load evenly, reducing the risk of loosening under dynamic forces. With 70,000 psi tensile strength and Rockwell B70 hardness, it provides long-term durability in demanding applications, while adherence to ASME B18.2.1 and environmental regulations like RoHS 3 and REACH ensures compatibility and safety in global supply chains.

Specification Summary & Compliance

This screw features a 7/16"-20 UNF thread with Class 2A tolerance for precise fit, a 1-1/4" length, and external hex drive. It meets ASME B18.2.1 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial reliability.