GRK Fasteners 5/16 in. x 3-1/8 in. RSS Alternative Lag Screw

The GRK Fasteners RSS screw is made from Climate coated and hardened steel. Its sharp threads and point bite instantly into material (including hardwood), reducing the splitting effect caused by smaller shanks. Its washer type head has no sharp edges like conventional lag screws, and the added shoulder underneath the washer has the ability to center the RSS screw in predrilled hardware.Ideal for ledger boards and moreMade of extremely high quality carbon steel that provides high tensile torque and shear strengthSelf-tapping - no pre-drilling requiredInstalls with a standard drillW-cut thread designClimate corrosion resistant coatingBuilt-in washerSharp zip-tip point bites instantly into material for ease of starting with minimal force and reduce splittingCEE thread design reduces friction and makes driving easierShort rounded head provides low profile finish with no sharp edgesExcellent lag screw alternative