DART 4-20mm Straight Flute Step Drill SSTF094-20

Precision engineered steel bits with straight tapered cutting edges allowing for de-burring or chamfering of the hole drilled.

HSS Ground flute with split point for spot drilling without pre-centering.

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