Which hole diameters can be drilled with this step drill bit?

This step drill bit allows you to drill and enlarge holes from 4 mm to 12 mm in incremental steps.

Can this step drill bit be used with an impact driver?

Yes, with its 1/4" hex shank (6.35 mm) and impact-rated design, it fits impact drivers and standard drills.

What materials and thicknesses is this bit designed for?

It is designed for sheet metal, non-ferrous metals, and plastics up to a material thickness of 3 mm.

What are the benefits of the titanium coating?

The titanium coating enhances wear resistance, prevents corrosion, and extends the bit life.

Is pilot drilling required before using this bit?

No, the split point tip allows immediate, accurate drilling directly into the material without walking.

DEWALT DT5026-QZ IMPACT metal step drill bit 4-12mm

Name: DEWALT DT5026-QZ IMPACT metal step drill bit 4-12mm
Brand: DEWALT
SKU: 02856218
Price: 37.6 EUR
Availability: PreOrder

Supplier number: DEWALT DT5026-QZ | EAN 5035048077276

Recommended Retail Price €83.01

37.60 tax incl.

€31.07 excl. VAT (incl. all environmental contributions)

On order: delivered from 28/10/2026

Delivery by DHL

✆ Talk to a specialist

Precise drilling with Dewalt

Practical benefits

Accurate drilling without walking: The optimized tip geometry ensures you start cleanly and enlarge holes smoothly in sheet metal and plastics.
Secure hex shank fit: With the 6,35 mm hex shank, you quickly switch between impact drivers and standard rotary drills without slipping.
Durable titanium coating: You enjoy increased wear resistance and a longer working life even during demanding metalworking tasks.

In a nutshell

The right choise for

With the Dewalt DT5026-QZ step drill bit, you drill and enlarge holes from 4 mm to 12 mm in steps without changing accessories. The optimized split point tip bites instantly into sheet metal, non-ferrous metals, and plastics up to 3 mm thick, giving you clean results without pilot drilling or walking. Designed with a 6.35 mm hex shank, it locks securely into impact drivers and standard rotary drills to eliminate slipping. Its durable titanium coating resists wear and corrosion, ensuring dependable precision during electrical knockout drilling and sheet metal work.

Product information FAQ

€37.60

tax incl.

Key features according to our expert

Smallest diameter: 4 mm
Largest diameter: 12 mm
Shank size: 6,35 mm

Product description

IMPACT Metal step drill bit 4-12mm

Features

For drilling and enlarging holes in metal from 4 mm to 34 mm, suitable for structural steel, ferrous and non-ferrous metals, plastics and thin-walled materials up to 3 mm
Optimised geometry helps to penetrate material faster, achieving accurate drilling without jamming
Titanium coating for increased wear resistance, corrosion resistance and up to 2x lifetime (versus black oxide)

All Features

Smallest diameter: 4 mm
Largest diameter: 12 mm
Shank size: 6,35 mm
Performance: Extreme
Thickness: Step Bits
Product type: 1,0
Material: Titanium
Length: Metal
Weight: NO

Brand DEWALT
02856218
EAN 5035048077276
Supplier number DEWALT DT5026-QZ

Frequently asked questions about this product

Answered by specialists

Which hole diameters can be drilled with this step drill bit?: This step drill bit allows you to drill and enlarge holes from 4 mm to 12 mm in incremental steps.
Can this step drill bit be used with an impact driver?: Yes, with its 1/4" hex shank (6.35 mm) and impact-rated design, it fits impact drivers and standard drills.
What materials and thicknesses is this bit designed for?: It is designed for sheet metal, non-ferrous metals, and plastics up to a material thickness of 3 mm.
What are the benefits of the titanium coating?: The titanium coating enhances wear resistance, prevents corrosion, and extends the bit life.
Is pilot drilling required before using this bit?: No, the split point tip allows immediate, accurate drilling directly into the material without walking.