1/2” (0.500”) HSS Annular Cutter Kit With .22 / .223 Pilot - Gunsmithing
(1) 1/2” HSS Annular Cutter. (1) Annular cutter holder to drill adapter. The cutter should be ran VERY slowly (200RPM Max) and lubricated constantly. (1). 22/.223 cal cutter pilot.