RS PRO range of HSS step drill bits. These high-speed steel multi-diameter cutters requiring no pilot hole to cut stainless steel, carbon steel, soft metals, plastic etc. Their stepped cone shape allows for multiple diameter cutting surfaces on one drill.

The drill bit has a 3-flute cutting action which provides accurate parallel holes in sheet material up to 3 mm thick.

Step Drill Bit Options:
232-507 - 6 to 36 mm Drill Bit, 11 Steps, 5 mm Max Drilling Thickness
232-513 - 7 to 37 mm Drill Bit, 11 Steps, 5 mm Max Drilling Thickness
232-529 - 8 to 41 mm Drill Bit, 11 Steps, 5 mm Max Drilling Thickness

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 are 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.

Multi-diameter cutters requiring no pilot hole to cut stainless steel, carbon steel, soft metals, plastic etc
3-flute cutting action provides accurate parallel holes in sheet material up to 3mm thick
3 mm increments