Drill America 5/8 in. x 1 in. High Speed Steel Annular Cutter with 3/4 in. Weldon Shank DWC5-530-116 - The Home Depot
Amazon.com: OSCARBIDE Annular Cutter Set 7 Pieces 3/4" Weldon Shank 1"Cutting Depth,1/2 to 1-1/16 inch Diameter,2 Flats Annular Cutters HSS Mag Drill Bits Kit for Magnetic Drill Press with 1 Pieces Pilot
*82058 9/16" Diameter Mag Drill 2" Cut Length High Speed Steel M2 Made In England