Grip-rite 1/4 x 3-1/4” Hex Drive Hex Washer Head Concrete Screws Zinsser Aluminum body with a yellow

Aluminum body with a yellow finish

Use in treated lumber projects

Mode 4 is self-tapping screw mode which is designed to reduce walking when starting self-tapping screws as well as reduce overdriving

8 mm) foam board

2-Way latch with a fixed faceplate and round corner radius

Grip-rite 1/4 x 3-1/4” Hex Drive Hex Washer Head Concrete Screws Zinsser Aluminum body with a yellowHigh holding power. For use in ligh duty anchoring, door and window frames, thresholds, plumbing straps and electrical conduits. Taps its own thread in concrete, brick and other masonry products. Drill the starter hole, drive the screw and the procedure is complete.