SPAX 5/16 x 8 In. PowerLag Washer Head T-40 HCR (Exterior Rated) Lag Screw

SPAX T-STAR Washer Head PowerLags with HCR coating designed with low-profile, large diameter head design provides outstanding clamping force and improved aesthetics. The T-STAR drive offers excellent bit engagement without requiring a special driver bit. Available in 1/4, 5/16, and 3/8 diameters. SPAX HCR Coating is approved for use in treated lumber.

• Our patented thread serration technology allows the screw to be driven faster, reduces splitting in wood, and reduces driving torque
• 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 washer head style are just some of this fasteners distinct advantages
• T-Star 6 lobe design is compatible with all industry standard bits
• Engineered and Manufactured in the USA
• The HCR (High Corrosion Resistant) double barrier coating is tested and recognized for use in ground contact and pressure treated lumber
• Common applications: Landscaping timber, deck ledger attachment, fencing, exterior treated lumber, structural wood to wood connections