HSS annular cutter, thread shank Fully-ground process, superiorly-designed cut geometry,smooth cutting. HSS annular cutter, thread shank Characteristics:Fully-ground process, superiorly-designed cut geometry, smooth cutting.Thread shank, suitable for FEIN/HITACHI magdrill, as well as radia drilling machine, boring machine, milling machine. Metric,Thread shank Part No.Cutter Dia.Part No.Cutter Dia ...