GRK 12221 Rugged Structural Screw w/ Climatek Coating, 5/16" x 3-1/8", 100-Count SpecialDiscount and power) access

and power) access

190t top with aluminex 99% UV protection

cabinets and doors

Ultimate Shear (4

For wood or metal screen & storm doors & other lightweight doors up to 2" thick

GRK 12221 Rugged Structural Screw w/ Climatek Coating, 5/16" x 3-1/8", 100-Count SpecialDiscount and power) accessGRK Rugged Structural Screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks. RSS screw which is 3 1 8" and longer have CEE thread that enlarges the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily and increasing the screws