GRK Fasteners 5/16 In. x 3-1/8 In. RSS Rugged Structural Screw
RSSâ„¢ rugged structural screws are 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.
W-Cutâ„¢ provides low installation torque which allows for fast driving and ease of install
Zip-Tip allows for faster penetration
Unique thread design draws two substrates together while washer head allows zero gap joints
Climatek coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact
ESR-2442 approved for structural applications