S-92351A597 Length 3 1/2" ASME B18.2.1 Wood Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for humid or outdoor wood applications
• Enhanced torque transmission through the external hex head design, preventing cam-out during high-torque installation
• Optimal pull-out resistance with partial threading design that maximizes holding power in wood materials
• Reduced splitting risk thanks to thread forming technology that displaces rather than removes wood fibers
• Reliable dimensional consistency meeting ASME B18.2.1 specifications for precise fit and performance
• Environmental compliance assurance with RoHS 3 and REACH compliance for safe, regulated industrial use
• Extended service life combining stainless steel durability with pointed tip for easier penetration and long-term reliability

Professional Applications & Engineering Value

This heavy-duty wood screw delivers exceptional engineering value for demanding wood fastening applications. The 18-8 stainless steel composition provides outstanding corrosion resistance, making it suitable for outdoor structures, marine environments, and high-moisture applications where rust prevention is critical. The external hex drive configuration ensures maximum torque transfer during installation, eliminating stripping issues common in high-stress assembly operations. The thread forming design creates stronger connections by compressing wood fibers rather than cutting them, significantly reducing material splitting in hardwoods and engineered wood products. With partial threading and substantial 3-1/2" length, this fastener offers superior holding power for structural wood connections, deck building, timber framing, and industrial wood fabrication where vibration resistance and long-term integrity are paramount.

Specification Summary & Compliance

This 5/16" wood screw features precise inch system dimensions including 1/2" hex head width, 0.313" thread diameter, and 9 threads per inch configuration. Manufactured to ASME B18.2.1 standards ensuring dimensional accuracy and mechanical performance. The screw maintains RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance for environmental safety. Right-hand threaded with partially threaded shank and pointed tip design optimized for wood penetration. Suitable for various wood materials with thread forming technology that creates secure, long-lasting fastening connections.