DART Straight Flute Step Drills 6-37mm
12 Steps (6, 9, 12.5, 15.2, 18.6, 20.4, 22.5, 26, 28.3, 30.5, 34, 37mm)

Precision engineered steel bits with straight flute tapered cutting edges allowing for deburring or chamfering of the hole drilled.

HSS ground with straight flute.

Split point for spot drilling.

Suitable for use on sheet metal, stainless steel, cast iron, aluminium, non-ferrous metals and plastic.​