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Milwaukee 48899399 Step Drill Bit Set - 3pk

Product Code: 48899399

£105.43 £87.86 £110.98 Save £5.55
The Milwaukee 48899399 3 Piece Step Drill Bit Set is ideal to use to enlarge existing holes. The drill bits are also ideal for electrical: drilling of panels and cabinets for cable gland installation, plumbing / hvac: access holes for pipework and installation, metal workers / fabrication: various sizes and hole enlargement, automotive: holes for cable installation (mobile telephones, antennas, re-directing electrical wiring), maintenance repair operations: various applications, sizes and hole enlargement.

They are also ideal for drilling into materials such as ferrous & non-ferrous sheets metals, profiles and pipes, copper, brass and aluminium, stainless steel, plastics, maximum material thickness 4 mm, to ensure best lifetime we recommend the use of a coolant. The drill bits are more durable than twist drill bits, with a thick core which resists breakage.

Features and Benefits
Spot drill - Drill - Debur - All in one go
Rapid Strike tip for improved centring - less walking and fast drilling without the need to punch or pre drill the material.
Special tip and step geometry for jam-free performance - less risk of drill snagging when used with high speed cordless tools and also prevents deformation of the drilled material.
Optimised 2 flute ground sharpened edge geometry for 2 x faster and smoother cutting.
Produced from custom engineered steel with black oxide coating for 4 x longer life.
Optimised for use with high speed cordless drills.
Laser engraved size markings for best long term visibility.
Each step is relief ground to drill and deburr automatically.
With 3 flat secure grip to prevent step drill from slipping in the chuck and ensure maximum transmission of torque.

Pack Qty ea. - 3

Size - 4mm-12mm:
No. of steps - 7
Overall length (mm) - 65
Shank diameter (mm) - 6

Size - 4mm-20mm:
No. of steps - 9
Overall length (mm) - 65
Shank diameter (mm) - 8

Size - 6mm-35mm:
No. of steps - 14
Overall length (mm) - 90
Shank diameter (mm) - 10

Supplied With
x1 Plastic Case
x1 4mm - 12mm Drill Bit
x1 4mm - 20mm Drill Bit
x1 4mm - 35mm Drill Bit
Part Number 48899399
Warranty 1 Year Warranty
Brand Milwaukee
Drill Bit Application Metal
Pack size 3

The SGS Help Centre

We’ve also created a series of helpful guides, featuring everything from drill bit sets and gas struts to gardening tools and power generators. Just head on over to our help and advice section for more information. In the meantime, here are a couple of guides you may find useful:
  • Drill & Driver Bit Selection Guide
    If you need help selecting the right tools for the job, check out our guide to the various drill and driver bits required for different tasks.
  • How to Drill perfectly
    Drilling is a serious business, so take a look at our how-to guide to make sure you’ve got the basics of the proper technique down to a tee.

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