10 x 1 Indented Hex Washer 5/16 Head Self Drilling And Tapping Screw Number 3 Point 410 Stainless Steel

Metallics and Avanti Screw, Inc., prime American manufacturers of fastener products, have always worked to present the latest in fastener technology to our distributors and their contractors/users. Hex Washer Head fasteners have historically only offered three drives-the hex, Phillips and the slot. In 1999, we introduced "The QuaDrive" square, hex, slotted and Phillips, in fourteen of the most popular sizes of sheet metal screws.