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

natural stone

It forms a waterproof seal when compressed

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

It may be installed raised up to 18" above top of concrete with no load reduction provided that additional elongation of the anchor rod is accounted for

nonflammable latex adhesive using a notched trowel

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