Step Cone Drill Bits

Step Drill Bit Flute 1/8 to 1/2-Inch

Step Drill Bit High Speed Steel Black Oxide 4 mm to 22 mm Size Range Hex 1/4 in Shank Hex Size 3/8 in Shank Diameter 2 15/16 in Overall Length Maxi...

Step Drill Bit High Speed Steel Black Oxide 6 mm to 18 mm Size Range Straight with Three Flats 3/8 in Shank Diameter 2 1/2 in Overall Length Maximu...