Wood Screws

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SPAX 8 x 2-1/2in. Interior Wood Screws Construction Flat Head Phillips Square Unidrive (133 EA) Bit Included

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Elevate your next project with SPAX Multi-Material Fasteners, proudly crafted on American soil and made domestically in Bryan OH with globally sourced materials, built to preform and last the test of time. Rated top wood screw by professionals and high performance industry testing. Unlike similar products on the market, our fasteners boast a 40% lower driving torque thanks to serrated cutting threads. This not only makes installation quicker and easier but also extends the battery life of your power tools, saving you time and money. Key Features: No Pre-Drilling Required: Featuring cutting technology and self-tapping for easy installation. Flush Head Finish: Features ribs on the underside to countersink into wood, ensuring a clean, flush fit that's perfect for high-visibility areas. Unidrive Drive System: Screws with #8 and #10 diameters work with both Phillips #2 and Square #2 bits. If you're using a #6 diameter screw, you'll need either a Phillips #2 or Square #1 bit. Free bit included. Versatile Use: Ideal for interior applications, including wood and pressure-treated lumber. Heat-Treated: Extreme strength and durability for heavy-duty projects. Durable Construction: Made of high quality carbon steel with a zinc coating for exceptional corrosion resistance. Compliance: Meets IRC/IBC Code (Dr J TER No. 2010-02) standards. Perfect for: * Pro Contractors: Optimize your workflow with fasteners that reduce driving torque by 40%, extending battery life on power tools. * Woodworkers: Achieve a smooth, professional finish without the need for additional tools or steps. * Home Improvement Enthusiasts: Tackle framing, construction, and heavy-duty projects with confidence and ease. Projects and Applications: For Interior Dry/Damp Areas: Suitable for use in above-ground contact with wood and pressure-treated lumber, compliant with AWPA UC1-UC2 standards.<ul><li>Multi-Material Fastener: Heavy-duty screws ideal for fastening into wood, plastic, sheet metal, drywall, concrete, and pressure-treated lumber.</li><li>No Pre-Drilling Required: The 4CUT point and cutting serrations prevent wood splits and reduce driving torque by 40%, prolonging your power tool battery life and saving time.</li><li>Unidrive Bit System: Screws with #8 and #10 diameters work with both Phillips #2 and Square #2 bits. If you're using a #6 diameter screw, you'll need either a Phillips #2 or Square #1 bit.</li><li>Unmatched Strength & Durability: Proudly crafted on American soil from heat-treated carbon steel with a zinc coating for superior corrosion resistance.</li><li>Each pack contains 133 pieces of 2-1/2" inch screws along with 1 high-quality Phillips #2 and Square #2 and SPAX Unidrive Combo Phillips Square Unidrive bit(s).</li><li>Tested and Contractor Approved: Compliant with IRC/IBC Code (Dr J TER No. 2010-02), ensuring reliable performance for professional standards.</li></ul>Main Material: Carbon Steel / Drive Size: Phillips #2 and Square #2 and SPAX Unidrive Combo / Free Bit Included? Yes / Drive Type: Phillips Square Unidrive / Head Type: Flat Head / Head Size: 0.320" / Full Thread / Thread Length: 1.970" / Screw Length: 2-1/2" / Screw Width: #8 / Finish Coating: Clear and yellow zinc coatings are tested for use in untreated and pressure-treated lumber for above-ground interior dry/damp applications (AWPA UC1-UC2).