S-93190A380 1/2"-20 x 1" 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 mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening.
• Precise thread engagement with UNF fine threading and Class 2A fit, ensuring secure connections and reduced risk of stripping.
• Easy installation and removal using a standard wrench on the 3/4" external hex head, saving time and labor.
• Full thread coverage along the 1" length for maximum grip and uniform stress distribution in assembled components.
• Compliance with industry standards including ASME B18.2.1, guaranteeing dimensional accuracy and interchangeability.
• Environmental and safety adherence through RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 316 stainless steel hex head screw is engineered to address common industrial challenges such as corrosion, mechanical stress, and assembly efficiency. The UNF fine thread design provides superior holding power in dynamic or vibrating applications, reducing the need for frequent maintenance. With its fully threaded 1" length and external hex drive, it ensures quick, secure fastening in machinery, structural frameworks, and chemical processing equipment. The high tensile strength and Rockwell B70 hardness make it suitable for heavy-duty uses where failure is not an option, while the right-hand thread aligns with standard installation practices for seamless integration.

Specification Summary & Compliance

This screw features a 1/2"-20 UNF fine thread with Class 2A thread fit for precise tolerance, manufactured to ASME B18.2.1 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met.