RS PRO HSS 4 to 30 mm² Drill Bit, Cone

Subtotal (1 unit)*

£48.25

(exc. VAT)

£57.90

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 239 unit(s) ready to ship
  • Plus 16 unit(s) ready to ship from another location
  • Plus 168 unit(s) shipping from 22 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£48.25

*price indicative

RS Stock No.:
232-563
Distrelec Article No.:
304-18-677
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Product Type

Drill Bit

Drill Diameter

4 to 30 mm²

Material

HSS

Shank Type

Cone

Finish

Bright

Standards/Approvals

No

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.

    Related links