S-92240A403 7/16"-20 x 1 1/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments.
• Superior tensile strength of 80,000 psi ensures reliable performance under high-stress applications.
• Fine UNF thread design (7/16"-20) provides enhanced vibration resistance and superior holding power.
• Class 2A thread fit guarantees precise, easy assembly and consistent performance in demanding conditions.
• External hex drive and hex head allow for high-torque installation with standard tools, speeding up assembly.
• Full threading along the 1 1/4" length offers maximum grip and adjustability across the entire fastener.
• Rockwell B70 hardness delivers excellent durability and wear resistance for long service life.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 18-8 stainless steel hex head screw addresses critical challenges like corrosion, vibration loosening, and high tensile loads. The 7/16"-20 UNF fine thread design enhances joint integrity in machinery, automotive, and structural assemblies by providing superior resistance to dynamic stresses. With an external hex drive, it facilitates quick, secure installation using common wrenches, reducing assembly time and labor costs. Its fully threaded configuration ensures uniform load distribution, making it a reliable choice for heavy-duty fastening where precision and durability are paramount.

Specification Summary & Compliance

This screw features a Class 2A thread fit for consistent dimensional accuracy and meets ASME B18.2.1 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in global supply chains.