S-90031A490 Length 4" Wood Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for long-lasting performance in various environmental conditions
• Superior holding power in both hardwood and softwood applications due to the 8 TPI thread forming design that creates strong, secure threads
• Flush, professional finish enabled by the standard flat head profile and 82° countersink angle for seamless installation
• Easy installation and reduced cam-out with the Phillips drive style, ensuring efficient driving and minimal tool slippage
• Optimized for wood materials with pointed tip and partial threading for quick starting and reduced splitting in wood applications
• Reliable dimensional accuracy with precise thread diameter and length specifications for consistent performance in industrial settings
• Compliance with global safety standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

These No. 20 wood screws are engineered to address common challenges in woodworking and construction, such as material splitting and weak fastening. The zinc-plated steel material provides excellent durability against moisture and wear, while the thread forming design ensures strong grip without pre-tapping, reducing installation time and labor costs. Ideal for hardwood and softwood applications, the partially threaded configuration and pointed tip facilitate easy insertion and minimize wood damage. The Phillips flat head with an 82° countersink angle allows for a clean, flush finish, enhancing aesthetic appeal and safety in furniture, cabinetry, and structural wood assemblies. This combination of features delivers reliable performance in demanding environments, from residential construction to industrial woodworking projects.

Specification Summary & Compliance

These screws feature precise dimensional specifications, including a thread diameter of 0.32" and length of 4", with partial threading and standard thread forming tapping method for consistent fit. They comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they are free from hazardous substances and meet international environmental and safety standards for industrial use.