MAGBIT 626.1616 MAG626 1-Inch Tungsten Carbide Tipped Hole Cutter with 1-9/16-Inch Depth 3/8-Inch depth Cuts up to 3/16-Inch deep Auto ejecting slug Over 300 holes in stainless steel plate Cuts sheet metal, stainless steel, iron , cast iron, copper, abrasive materials, such as high density resin and metal plate