DART Step Drill Set Two Flute 3 piece (SSTFSET3)

DART Step Drill Set Straight Flute 
4-12, 4-20, & 4-30mm

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

HSS ground. Split point for spot drilling.

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