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Check out our Threads! Our patented thread serration technology allows the screw to be driven faster, reduces splitting in wood, and reduces driving torque by 40 percent. 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
Engineered and Manufactured in the USA
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 drive accepts and is compatible with all industry standard bits. Our 6-Lobe design provides superior bit engagement. Better bit engagement means quicker installation with less effort.
The SPAX Factor - For the craftsman that concentrates on the details, We Work for You. For the Pro that puts quality first, we help you create stronger connections, enhance performance and improve results when your reputation is on the line. Say goodbye to your father’s traditiol lag. SPAX PowerLag Screws offer superior installation performance and durability over traditiol lag screws and carriage bolts for structural wood construction. The T-Star Screw is 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. Bit included in the box. Do it Once, do it Right with SPAX.