Spax PowerLags 5/16 In. x 3-1/2 In. Washer Head Exterior Structure Screw (250 Ct.) Hardware Resources Drop down feature for more

Drop down feature for more versatility

Use on siding

easy-to-fold pivoting feet

5-in-1 sensor includes large mouth

especially in high traffic areas

Spax PowerLags 5/16 In. x 3-1/2 In. Washer Head Exterior Structure Screw (250 Ct.) Hardware Resources Drop down feature for moreSpax 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.