Combination Drill & Taps
3PCS Coated Cone Spiral Step Drill Bit Set Metal Triangle Shank Hole Power Tools Kit 4-12/20/32mm
MEASUREMENT:
4-12 5 Steps (Diameter 4, 6, 8, 10, 12mm)
4-20 9 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
4-32 15 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)