Spax PowerLags 5/16 In. x 3-1/2 In. Hex Head Exterior Structure Screw (250 Ct.) Stanley natural stone

natural stone

Designed for solid core wood

It forms a waterproof seal when compressed

usable patio or storage space

Use in pairs for heavier full view storm doors by using another top-mounted closer for heavier doors

Spax PowerLags 5/16 In. x 3-1/2 In. Hex Head Exterior Structure Screw (250 Ct.) Stanley natural stoneSpax PowerLags Screws have a hex head with integrated washer 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