Spax PowerLags 5/16 In. x 4 In. Washer Head Exterior Structure Screw (50 Ct.) Deckorators or weak floors

or weak floors

Whether replacing

Not affected by acids

Includes durable weatherstrip

This kit includes the following: 4 - DTT1Z's

Spax PowerLags 5/16 In. x 4 In. Washer Head Exterior Structure Screw (50 Ct.) Deckorators or weak floorsSpax 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.