RS PRO HSS 10 → 20mm Step Drill Bit, 11 Steps

  • RS Stock No. 232-579
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): CN
Product Details

RS PRO High-Speed Steel (HSS) Step Drill Bit

RS PRO range of HSS step drill bits. These high-speed steel multi-diameter cutters require no pilot hole and are ideal for the rapid drilling of sheet metals and plastics. Their stepped cone shape allows for multiple diameter cutting surfaces on one drill. These drill bits can be used with power drills with a 13 mm chuck.

Step Drill Bit Options:-
232-557 - 4 to 20 mm Drill Bit, 9 Steps
232-563 - 4 to 30 mm Drill Bit, 14 Steps
232-579 - 10 to 20 mm Drill Bit, 11 Steps
232-585 - 20 to 30 mm Drill Bit, 11 Steps
232-608 - 3 piece Drill Set 4 mm to 30 mm

Features and Benefits:

  • HSS drill bits

  • Provides clear holes in applications requiring small hole size increments

  • No pilot hole required easily enlarges existing holes

  • Ideal for use with most power drills

Application Information

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

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.

Attribute Value
Drill Bit Type Step Drill Bit
Number of Steps 11
Material HSS
Minimum Head Size 10mm
Maximum Head Size 8mm
34 In stock for delivery within 2 working days
Unit of sale: Each
(exc. VAT)
(inc. VAT)
Per unit
1 - 4
5 - 14
15 +
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