The SPAX Factor - For the craftsman that concentrates on the details, We Work for You. For the Pro that puts qualify first, we help you create stronger connections, enhance performance and improve results when your reputation is on the line. Say Good Bye to your fathers traditional lag. SPAX PowerLags offer superior installation performance and durability over traditional lag screws and carriage bolts for structural wood construction. Made of carbon steel and coated for long term durability to ensure your project endures. U.S made SPAX is your trusted partner for your fastening needs. Do it Once, Do it Right with SPAX. Check out our Threads - Our patented thread serration technology allows the screw to be driven faster, easier to install, and reduces splitting in wood - Let the SPAX FACTOR take some of the hassle out of your next project The ideal replacement for the conventional lag - IRC/IBC Code Compliant: TER-No 1912-07 True to size thread diameters, grade 5 heat treat, and the washer head style are just some of this fasteners distinct advantages - Tested under the toughest scenarios to give you confidence in every connection T-Star 6 lobe design is compatible with all industry standard bits and provides superior bit engagement Engineered and Manufactured in the USA Common applications: Timber attachment, structural wood to wood connections, other applications where yellow zinc coating is acceptable SPAX 1/4-in Hex PowerLags require a 3/8-in Hex Driver Finish: Zinc-plated Manufacturer Color/Finish: Yellow/Gold Series Name: PowerLags Type: Structural wood screws Length Measurement: 6-in Package Weight (lbs.): 0.059 Screw Thickness: 1/4-in Drive: Torx For Use on Brick: No For Use on Composite: No For Use on Concrete: No For Use on Drywall: No For Use on Metal: No For Use on Plastic: No For Use on Vinyl: No For Use on Wood: Yes Head Type: Washer Material: Steel Materials Fastened: Wood to wood Multi-Material: No Package Quantity: 1 Point Type: Sharp Thread Type: Coarse Use Location: Interior Warranty: Limited lifetime ACQ Approved: No CA Residents: Prop 65 Warning(s): No UNSPSC: 31161500