GRK RSS Rugged 5/16 In. x 4 In. Star Drive Washer Head Structure Screw (25 Ct.) DeWitt 1 replacement cartridge

1 replacement cartridge

Recommended for pool

asphalt shingles

Available in a wide selection of styles and sizes

GRK RSS Rugged 5/16 In. x 4 In. Star Drive Washer Head Structure Screw (25 Ct.) DeWitt 1 replacement cartridgeGRK RSS Rugged Structural Screw is a structural fastener designed for ease of installation and the strongest of connections. With proprietary features like the Zip Tip, and W Cut thread, RSS fasteners drive into most woods without the need for pre drilling. The specially engineered design results in a low effort installation, especially compared to conventional lag screws. RSS Rugged Structural Screws have a Climatek Coating for installation in both