S-91478A738 Length 7" 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, ensuring long-term durability in humid or outdoor wood applications
- Maximum torque transmission via external hex drive and 3/4" head width, preventing tool slippage and enabling high-tightening force
- Enhanced pull-out resistance with thread forming design that compacts wood fibers for a secure, vibration-resistant hold
- Optimized load distribution from partial threading, reducing wood splitting while maintaining strong clamping force
- Quick, precise installation with pointed tip and 6 threads per inch, allowing for faster driving and reduced assembly time
- Heavy-duty performance with 1/2" diameter and 7" length, engineered for structural wood connections in demanding applications
- Broad compatibility with standard 3/4" hex tools, streamlining procurement and tooling requirements
Professional Applications & Engineering Value
These heavy-duty wood screws are engineered to solve critical fastening challenges in construction and industrial wood applications. The zinc-plated steel construction provides essential corrosion protection for outdoor structures, decking, and timber framing, while the thread forming design eliminates the need for pre-drilling in many softwoods, compressing wood fibers to create superior holding power without splitting. The external hex drive delivers maximum torque transmission for high-clamp force requirements in structural connections, timber engineering, and industrial wood assemblies. With partial threading and 4" minimum thread length, these screws optimize the strength-to-weight ratio while preventing material failure in demanding wood fastening scenarios.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 specifications with inch system measurements, these wood screws feature right-hand threading and Class 2A thread tolerances for consistent performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) standards for chemical safety, ensuring regulatory acceptance for industrial and commercial wood fastening applications across multiple markets.
