Description

GRK RSS Rugged Structural Screw has a patented design and made of especially hardened steel to provide customers with high tensile, torque and shear strength. The sharp threads and points bite instantly into material, including hardwood, reducing the splitting effect due to smaller shanks. The GRK RSS series screws that are 3-1/8in. and longer have six CEE threads which enlarge the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily and increases the screw#39;s drawing strength. Quantity per box: 500 Built in washer head allows zero gap joints Climatek coated and hardened steel Zip-Tip to illevate pre-drilling unless materials require Uses GRK Bit T-25 Model Number: 772691101617. Age Group: adult.