Spax PowerLags 5/16 In. x 3-1/2 In. Washer Head Exterior Structure Screw (250 Ct.) Crystal Blue SPAX T-STARplusCylindric Head truss fasteners

SPAX T-STARplusCylindric Head truss fasteners with WIROX coating are designed for interior framing applications

Fires 18 Ga

Made from minimally processed whole-food with no chemicals or additives

termite proof

Spax PowerLags 5/16 In. x 3-1/2 In. Washer Head Exterior Structure Screw (250 Ct.) Crystal Blue SPAX T-STARplusCylindric Head truss fastenersSpax PowerLags Screws have a washer head with T Star Drive and HCR (High Corrosion Resistant) exterior coating. Provides a new level of fastening efficiency and reliability to construction. Engineered specifically for demanding wood to wood structural applications, PowerLags feature patented thread serrations that eliminate pre drilling and dramatically increase installation speed requiring up to 40% less driving torque to increase installation speed.