Spax PowerLags 5/16 In. x 4 In. Hex Head Exterior Structure Screw (250 Ct.) As Seen on TV It is perfect for extreme

It is perfect for extreme temperatures (270 deg

and ultimately help reduce energy bills

Available in natural clear for applications not exposed to direct sunlight

Soap is not recommended after initial cleaning – hand wash with a brush and water only

emergency release on exterior

Spax PowerLags 5/16 In. x 4 In. Hex Head Exterior Structure Screw (250 Ct.) As Seen on TV It is perfect for extremeSpax 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