S-92240A713 1/2"-13 x 1 1/8" 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, ensuring long-term reliability in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Fast, secure installation thanks to the external hex drive and fully threaded UNC coarse spacing design
• Precise thread engagement with Class 2A fit, reducing cross-threading risks and improving assembly consistency
• Broad industrial compliance meeting ASME B18.2.1 standards, RoHS 3, and REACH regulations for global supply chain compatibility
• Optimized for high-torque applications with a 3/4" head width and 5/16" head height for superior wrench grip
• Versatile 1-1/8" length and fully threaded design for maximum fastening flexibility across various material thicknesses

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 1/2"-13 UNC hex head screws deliver critical performance advantages where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides inherent protection against rust and chemical degradation, making these fasteners ideal for marine equipment, food processing machinery, and outdoor structural applications. The coarse thread spacing combined with Class 2A thread fit ensures rapid installation while maintaining vibration resistance in high-stress assemblies. With 80,000 psi tensile strength and external hex drive design, these screws withstand extreme mechanical loads while enabling high-torque installation without stripping. The fully threaded configuration maximizes grip length variability, solving alignment challenges in multi-material assemblies and reducing inventory requirements for maintenance teams.

Specification Summary & Compliance

This 1/2"-13 UNC hex head screw maintains precision Class 2A thread fit tolerances with coarse thread spacing (13 TPI) and right-hand threading. Manufactured to ASME B18.2.1 dimensional standards with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. The 18-8 Stainless Steel construction ensures consistent mechanical properties including Rockwell B70 hardness and 80,000 psi tensile strength across all production batches.