RS PRO 3-Piece Step Drill Bit Set for Metal, 30mm Max, 4mm Min, HSS Bits

For rapid drilling of sheet metals and plastics. For use with power drills with a 13mm chuck.

Step drill bits are typically used in electrical, plumbing and HVAC applications. They are used for drilling multiple sized holes without the need to frequently change bit sizes. They are compatible with corded or cordless power tools.

Why would you buy a step drill?

A step drill is a single piece accessory with optimised flute angles. It offers a unique tip design that eliminates movement and increases drilling speed. They are compatible with any power tool that incorporates a chuck, for example; cordless drill drivers

What material will it drill through?
Typical materials include:
Stainless steel
Carbon steel
Soft metals
Plastics

How good step drill bits?
A step drill bit is an accessory that gets overlooked, the working principle is so simple you can drill multiple size holes without changing the bit and achieve a nice clean finish every time.

Can a step drill bit be used with a stationary drill machine?
Yes, step drill bits are compatible with portable hand power tools as well a stationary drilling machines.

RS PRO offers this exceptional step drill bit set made from HSS for high-performance, offering a range of hole diameters, giving you maximum versatility. Capable of cutting holes from 4 mm to 30 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 stepped tapered design makes it easier to enlarge holes if requirements change for example.

HSS Step drill 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.

Provides clear holes in applications requring small hole size increments

No pilot hole required easily enlarges existing holes

Capable of cutting holes from 4 mm to 30 mm diameters

Ideal for use with most power drills

Supplied in a moulded Metal box

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

A step cutter has parallel measurements up the cone, gradually getting bigger. These are great if you need to cut sized holes with reasonable accuracy. These bits are also capable of cutting through various materials.