RS PRO HSS Step Drill Bit 4mm x 30mm

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£48.25

(exc. VAT)

£57.90

(inc. VAT)

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  • 240 unit(s) ready to ship
  • Plus 27 unit(s) ready to ship from another location
  • Plus 48 unit(s) shipping from 06 November 2025
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RS Stock No.:
232-563
Distrelec Article No.:
304-18-677
Brand:
RS PRO
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Brand

RS PRO

Drill Bit Type

Step Drill Bit

Number of Steps

14

Maximum Drilling Thickness

3mm

Material

HSS

Minimum Head Size

4mm

Maximum Head Size

30mm

RoHS Status: Exempt

COO (Country of Origin):
GB

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.

FAQs


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.

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