4 PC HSS SPIRAL FLUTE STEP CONE DRILL TITANIUM COATED BIT HOLE CUTTER SET 4-32mm
New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. Made from high quality HSS steel. 3 sided shanks design in order to prevent slippage when in chuck. Spiral flute design provides faster, smoother and cleaner cuts.