S-94048A341 Length 4" ASME B18.2.1, ASTM A307, SAE J429 Wood Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from hot-dipped galvanized steel coating, ensuring long-term reliability in demanding environments
• Superior torque transmission with external hex drive design, allowing for high-tightening force applications without slippage
• Secure wood fastening through thread forming technology that creates strong, permanent threads without pre-drilling
• Optimized load distribution with partially threaded shank design, reducing wood splitting while maintaining maximum holding power
• Industry-standard compatibility meeting ASME B18.2.1 specifications for consistent performance and interchangeability
• Enhanced durability with 1/2" diameter and 4" length, providing robust fastening for heavy wood construction projects
• Environmental compliance with RoHS 3 and REACH regulations, ensuring safe use across industrial applications

Professional Applications & Engineering Value

These hot-dipped galvanized steel wood screws deliver exceptional performance in demanding wood fastening applications where corrosion resistance and structural integrity are paramount. The external hex drive configuration provides superior torque transmission capability, eliminating cam-out issues common in high-torque installation scenarios. The thread forming design creates precise, secure threads in wood substrates without removing material, significantly enhancing pull-out resistance compared to conventional wood screws. With a 1/2" diameter and 4" length, these heavy-duty fasteners are engineered for structural wood connections, timber framing, and industrial wood construction where vibration resistance and long-term reliability are critical. The partially threaded configuration concentrates holding power at the engagement point while minimizing wood splitting in sensitive applications.

Specification Summary & Compliance

Manufactured to exacting ASME B18.2.1 dimensional standards with ASTM A307 and SAE J429 material specifications. Features right-hand threads with approximately 6 threads per inch and Class 2A thread tolerances for consistent engagement. The thread forming tapping method ensures secure fastening in wood applications without pre-tapping. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.