S-92314A411 1/2"-13 x 1 7/8" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing long-term replacement costs.
• High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, heavy-duty fastening in demanding applications.
• Excellent thread engagement provided by the 1/2"-13 UNC coarse thread and Class 2A fit, ensuring easier assembly and reduced risk of cross-threading.
• Secure and efficient installation enabled by the external hex drive and 3/4" head width, allowing for high torque application with standard tools.
• Optimized for partial thread applications with a 1 1/4" minimum thread length on a 1 7/8" body, providing strong clamping where full threading isn't required.
• Guaranteed dimensional consistency and interchangeability by conforming to the rigorous ASME B18.2.1 standard.
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives.

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw is engineered to solve critical challenges in industrial assembly and construction. The 18-8 Stainless Steel material provides exceptional resistance to rust and corrosion, making it a dependable choice for outdoor equipment, marine applications, and chemical processing plants where environmental factors degrade ordinary fasteners. The coarse thread design is particularly advantageous in softer materials or when rapid assembly is required, as it is less prone to fouling and offers superior pull-out strength. The partially threaded shank concentrates the tensile force on the engaged section, creating a more secure joint that resists vibration loosening. Paired with its high tensile strength, this screw delivers long-term structural integrity and reliability for machinery, structural steel frames, and heavy-duty manufacturing fixtures.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC thread with a Class 2A thread fit for consistent, precision assembly. It is manufactured to meet the dimensional and mechanical requirements of the ASME B18.2.1 standard. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it is free of restricted hazardous substances and safe for use in regulated markets.