SPAX 5/16 in. x 3-1/2 in. Hex Head Hex Drive High Corrosion Resistant Coated PowerLag Screw

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. 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, reduces splitting in wood and reduces driving torque by 40%, let the SPAX factor take some of the hassle out of your next project
• Ideal replacement for the conventional lag IRC/IBC code compliant: TER-number 1912-18
• True to size thread diameters, grade 5 heat treat and the washer head style are just some of this fastener’s distinct advantages, tested under the toughest scenarios to give you confidence in every connection
• HCR (High Corrosion Resistant) double barrier coating is tested and recognized for use in ground contact and pressure treated lumber for exterior fresh water general construction applications
• SPAX 5/16 in. hex PowerLags require a 7/16 in. hex driver
• Common applications: landscaping timber, deck ledger attachment, fencing, exterior treated lumber, structural wood to wood connections