Qualtech Hole Cutter, Standard, Series: DMS, 2-11/16 in dia, 3/16 in Cutting Depth, Carbide Cutting Edge, 1/2 in Shank, Applicable Materials: Stainless Steel, Cast Iron, Iron, Sheet Metal, Copper and High Density Resin and Metal Plates Qualtech DMS04-8068 Standard Hole Cutter, 2-11/16 in dia, 3/16 in D Cutting, Carbide Cutting Edge