400 TEK 5 Hex Washer Head 1224 x 11/2 SelfDrilling HD Steel Screw IHW
Lot of (400) indented hex washer head self-drilling screws. Head Type: Indented Hex Washer. These zinc plated fasteners are 12-24 thread and are 1-1/2″ in length with a 5/16″ hex. Drive Type: Hex. These screws feature a #5 drill point tip and are designed to drill through steel up to 1/2″ thick.