GRK RSS 5/16 In. x 4 In. Black Star Drive Washer Head Structure Screw (25 Ct.) bold The durable gray plastic material

The durable gray plastic material has a smoked transparent cover

suction strainer and an additional set of motor brushes

LEVELLINE's tapered profile design eliminates installation headaches and callbacks

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135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface

GRK RSS 5/16 In. x 4 In. Black Star Drive Washer Head Structure Screw (25 Ct.) bold The durable gray plastic materialGRK RSS Black Structural Screw is a structural fastener designed for ease of installation and the strongest of connections while providing a bold finish. 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