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 21/10/2026

Ordered before 20:00 - delivered as of 21/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

What does this mean exactly?

Free battery, delivered directly: spend a total of €350 excl. VAT on DeWALT products and receive a free XR 18V 5.0Ah battery worth €128.38. This is an exclusive Klium promotion: the battery is automatically added to your shopping cart and delivered together with your order.
Free work light, delivered after registration: if you also purchase a participating product from the DeWALT work light promotion, you will receive a free DeWALT work light, depending on the participating machine.
To receive your free work light, register your purchase after receiving your order via dewalt.be or dewalt.nl.
Klium free battery promotion: valid from 01.10.2026 to 31.12.2026.
DeWALT work light promotion: valid from 01.09.2026 to 31.12.2026.

During DeWALT Power Month, you can combine a free battery from Klium with a free work light from DeWALT.

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.