Step Cone Drill Titanium 3 Pcs HSS Steel Bit Set Hole Cutter 4-12 4-20 4-32mm
HSS Step Cone Drill Titanium Bit Set Hole Cutter 4-12mm 4-20mm 4-32mm. New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. Made from high quality HSS steel. HSS Grade Steel Bits for continuous high torque applications.