High Speed Steel Twist Drill Bits

1.0, 1.5, 2.0, 2.2, 2.5, 2.8, 3.0, 3.2, 3.3, 3.5, 3.8, 4.0, 4.2, 4.5, 4.8, 4.9, 5.0, 5.2, 5.5, 5.8, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13.0