RS PRO HSS Step Drill Bit 4mm x 20mm

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.