S-91478A591 Length 2" ASME B18.2.1 Wood Screws
Wood Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding wood applications
- Maximum torque transmission through external hex drive design, preventing cam-out and ensuring secure fastening
- Reduced wood splitting with partial threading that maintains material integrity during installation
- Enhanced holding power through thread-forming technology that creates strong, permanent connections in wood
- Optimized thread engagement with 9 threads per inch configuration for balanced installation speed and pull-out resistance
- Industry-standard compatibility with 1/2" head width and standard hex tools for universal application
- Reliable performance with right-hand threading and pointed tip for straightforward, consistent installation
Professional Applications & Engineering Value
These heavy-duty wood screws are engineered to solve critical fastening challenges in wood construction and industrial applications. The zinc-plated steel construction provides essential corrosion protection, while the external hex drive delivers superior torque transmission compared to standard drives, preventing stripping during high-torque applications. The thread-forming design creates strong, permanent threads in wood without pre-drilling in many cases, significantly reducing installation time. The partial threading minimizes wood splitting by allowing the unthreaded shank to act as a dowel, distributing stress evenly. With a 2" length and 5/16" diameter, these screws provide exceptional holding power for structural wood connections, deck building, furniture assembly, and industrial wood framing where reliability is paramount.
Specification Summary & Compliance
These wood screws feature precision Class 2A thread tolerances with 0.313" thread diameter and 1½" minimum thread length. Manufactured to ASME B18.2.1 specifications for dimensional consistency and performance reliability. Compliant with RoHS 3 (2015/863/EU) for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and workplace safety standards.
