S-92800A223 5/16"-24 x 3 1/4" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening
• Precise thread engagement with Class 2A fit and UNF fine threads, ensuring secure connections and reduced vibration loosening
• Easy installation and removal using standard tools with the external hex drive and hex head design
• Optimized for partial threading applications where unthreaded shank sections provide enhanced shear resistance
• Compliance with major environmental regulations including RoHS 3 and REACH, meeting global supply chain requirements
• Right-hand thread direction for standard assembly procedures and compatibility with common industrial components

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 18-8 Stainless Steel hex head screws address critical challenges in machinery assembly, structural frameworks, and equipment manufacturing. The 5/16"-24 UNF fine threads with Class 2A fit provide superior vibration resistance and precise alignment in high-stress environments, while the partial threading design prevents thread damage in through-hole applications. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures these external hex drive screws maintain clamp load under dynamic loads, making them ideal for automotive, aerospace, and heavy equipment sectors where corrosion resistance and mechanical reliability are paramount.

Specification Summary & Compliance

Manufactured to inch system standards with precise Class 2A thread fit and UNF fine thread specifications (5/16"-24). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Threading is partially threaded with minimum thread length of 7/8" and overall length of 3 1/4".