EXACT 3-Piece Step Drill Bit Set for Metal, 30.5mm Max, 3mm Min, HSS Bits

This exceptional cone cutting set from EXACT is made from HSS for high-performance, offering a range of hole diameters, giving you maximum versatility. Capable of cutting holes from 3 mm to 30.5 mm through three different cone cutters. These High-Speed Steel (HSS) cutters are constructed from a single piece of high-speed steel, thus reducing breaking and blunting under heat or stress. The tapered design makes it easier to enlarge holes if requirements change for example.

HSS bits can be are suitable for use on steel sheets and non-ferrous metals, which include aluminium, copper, brass, zinc and iron. It can be used for drilling applications involving plastic and wood.

Self-centring drilling action reduces drill walking

A. A cone cutter is a smooth sided bit that can make any sized hole, on a variety of materials.