Annular Cutter Set Annular Cutter Set Cutter Material M42 Cobalt Diameter 7/16 In. 1/2 In. 9/16 In. 5/8 In. 11/16 In. 3/4 In. 13/16 In. 7/8 In. 15/16 In. 1 In. 1-1/16 In. Number of Pieces 11 Cutting Depth 1 In. Shank Dia 3/4 In. Cutter Finish Titanium Nitride For Drilling Hard to Machine Stainless and Inconsistent Materials with Increased Feed Rates and Longer Life Includes Pilot Pin