What hole diameters can you drill with this step drill bit?

This step bit drills and enlarges holes from 4 mm to 22 mm in 2 mm increments.

Which materials is the Dewalt DT90246-QZ suitable for?

It is suitable for structural steel, ferrous and non-ferrous metals, plastics, and thin-walled materials.

What is the maximum material thickness it can drill through?

The step drill bit is designed for sheet metal and thin-walled materials up to 3 mm thick.

What shank size does this drill bit feature?

It features a 6.35 mm (1/4") shank, fitting standard drill chucks and bit holders.

What is the advantage of the titanium coating?

The titanium coating reduces friction, improves wear resistance, and extends the bit's service life.

DEWALT DT90246-QZ metal step drill bit titanium 4-22mm shank connection

Name: DEWALT DT90246-QZ metal step drill bit titanium 4-22mm shank connection
Brand: DEWALT
SKU: 03041754
Price: 52.6 EUR
Availability: PreOrder

Supplier number: DEWALT DT90246-QZ | EAN 5054905245412

Recommended Retail Price €115.80

52.60 tax incl.

€43.47 excl. VAT (incl. all environmental contributions)

On order: delivered from 07/11/2026

Delivery by DHL

✆ Talk to a specialist

Precise and clean metal drilling with Dewalt

Practical benefits

Wide range of diameters: You can drill and enlarge holes from 4 mm up to 22 mm using a single step bit.
Durable titanium nitride coating: The tough titanium layer reduces friction and heat buildup, giving you extended tool life across demanding metal applications.
Secure non-slip shank design: Featuring a 6.35 mm shank with flats, it prevents slipping in the chuck to ensure steady control.

In a nutshell

The right choise for

With the Dewalt DT90246-QZ step drill bit, you can drill and enlarge holes from 4 mm to 22 mm without the hassle of constantly switching bits. Specially designed for sheet metal, structural steel, ferrous and non-ferrous metals, and plastics up to 3 mm thick, it delivers clean, burr-free edges every time. The durable titanium coating minimizes friction and heat buildup, significantly extending tool life during demanding jobs. Its 6.35 mm shank with flats prevents slipping in the chuck for reliable power transfer. It is the perfect choice for electrical installations, control cabinets, and fitting cable glands.

Product information FAQ

€52.60

tax incl.

Key features according to our expert

Smallest diameter: 4 mm
Shank size: 6,35 mm
Largest diameter: 22 mm

Product description

Metal step drill bit Titanium 4-22mm shank connection

Features

For enlarging drill holes.
Suitable for structural steel, ferrous and non-ferrous metals, plastics and thin-walled materials up to 3 mm.
For drilling and enlarging drill holes in metal from 4mm to 22mm.

All Features

Smallest diameter: 4 mm
Shank size: 6,35 mm
Largest diameter: 22 mm
Performance: Extreme
Applications: Metal
Length: Round Shank
Material: Titanium
Product type: 1,0
Thickness: Step Bits

Brand DEWALT
03041754
EAN 5054905245412
Supplier number DEWALT DT90246-QZ

Frequently asked questions about this product

Answered by specialists

What hole diameters can you drill with this step drill bit?: This step bit drills and enlarges holes from 4 mm to 22 mm in 2 mm increments.
Which materials is the Dewalt DT90246-QZ suitable for?: It is suitable for structural steel, ferrous and non-ferrous metals, plastics, and thin-walled materials.
What is the maximum material thickness it can drill through?: The step drill bit is designed for sheet metal and thin-walled materials up to 3 mm thick.
What shank size does this drill bit feature?: It features a 6.35 mm (1/4") shank, fitting standard drill chucks and bit holders.
What is the advantage of the titanium coating?: The titanium coating reduces friction, improves wear resistance, and extends the bit's service life.