S-93190A537 1/4"-20 x 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity under stress
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Class 2A thread fit with UNC coarse threading allows for quick assembly and secure fastening in various materials
• External hex drive design offers easy installation and removal with standard tools, reducing labor time
• Full threading along the 1/2" length ensures maximum grip and uniform stress distribution
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards

Professional Applications & Engineering Value

This 1/4"-20 UNC hex head screw in 316 stainless steel is engineered to address common industrial challenges such as corrosion, high stress, and regulatory compliance. Its coarse thread design and Class 2A fit enable efficient installation in metals, plastics, and composites, reducing the risk of cross-threading and ensuring consistent performance. The external hex drive facilitates secure tightening with common wrenches, minimizing slippage and damage in high-torque applications. Ideal for marine equipment, chemical processing, and construction, this screw provides long-term reliability in demanding environments where corrosion resistance and mechanical strength are critical.

Specification Summary & Compliance

This product features precise Class 2A thread fit with UNC coarse threads and adheres to ASME B18.2.1 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.