S-93190A551 1/4"-20 x 2 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 extended service life.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability in demanding applications.
• Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity under stress.
• Fully threaded UNC coarse spacing allows for faster installation and secure fastening in various materials.
• Class 2A thread fit offers consistent, easy assembly while maintaining precision and reducing cross-threading risks.
• External hex drive design enables straightforward installation with standard tools, improving efficiency.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety.

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 assembly efficiency. The fully threaded coarse spacing and Class 2A thread fit provide quick, reliable fastening in machinery, construction, and marine applications, reducing downtime. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it withstands heavy loads and abrasive conditions, while the external hex drive ensures compatibility with standard wrenches for easy maintenance. Ideal for industrial hex screws in corrosive environments, this fastener delivers long-term performance and cost savings by minimizing replacements.

Specification Summary & Compliance

This product features a 1/4"-20 UNC thread with Class 2A dimensional accuracy and coarse spacing, manufactured to ASME B18.2.1 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry reliability.