Step Cone Drill 0.500in to 1.125in HSS
Step Drill Bit High Speed Steel Black Oxide 1/2 in to 1 1/8 in Size Range Straight with Three Flats 3/8 in Shank Diameter 2 7/8 in Overall Length Maximum Drilling Depth 4.5 mm
Standard shipping
Estimated delivery time: 7-10 days