S-90123A449 Length 4 1/2" ASME B18.2.1 Wood Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for marine, chemical, and outdoor wood applications
• Superior holding power through thread forming technology that creates stronger, more permanent connections in wood materials
• High-torque installation capability with external hex head design allowing for secure fastening with standard tools
• Optimal thread engagement with partially threaded shank design that provides maximum clamping force
• Industry-standard compatibility meeting ASME B18.2.1 specifications for reliable performance and interchangeability
• Environmental compliance assurance with RoHS 3 and REACH regulations for safe, sustainable industrial use
• Versatile 4-1/2" length suitable for heavy-duty wood construction and structural applications requiring deep penetration

Professional Applications & Engineering Value

Engineered for demanding wood construction environments, these 316 stainless steel hex head wood screws deliver exceptional performance where corrosion resistance is critical. The thread forming design eliminates the need for pre-drilling in many applications while creating stronger, more vibration-resistant connections than conventional cutting threads. The external hex drive provides superior torque transmission for high-clamp-force applications in structural wood assemblies, decking, and outdoor furniture. With right-hand threading and partially threaded configuration, these screws ensure optimal material engagement while preventing wood splitting. The 1/2"-13 thread pitch combined with the substantial 4-1/2" length makes them ideal for heavy timber construction, marine docks, and industrial wood structures exposed to harsh environmental conditions.

Specification Summary & Compliance

This 1/2"-13 x 4-1/2" wood screw features precision inch system dimensions with Class 2A thread tolerances as specified in ASME B18.2.1 manufacturing standards. The product maintains full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. Manufacturing specifications include external hex drive with 3/4" head width, thread forming tapping method, right-hand thread direction, and minimum 3" thread length for consistent performance across industrial wood fastening applications.