Which drill machines are compatible with this bit?

This bit features an SDS-Max shank and fits exclusively heavy-duty rotary hammers with an SDS-Max chuck.

Which materials is this hammer drill bit suitable for?

It is designed for drilling into masonry, concrete, reinforced concrete, and natural stone.

What are the exact dimensions of this drill bit?

The drill bit has an 18 mm diameter, a working length of 400 mm, and an overall length of 540 mm.

What is the benefit of the 4-cutter carbide tip?

The four cutting edges deliver concentric holes, reduce jamming on rebar, and extend bit life.

How does the bit design optimize dust removal?

The 4-flute helix quickly clears drilling dust away from the tip for consistent drilling speed.

DEWALT DT9412-QZ SDS-Max drill bit EXTREME HM 18x400x540mm

Name: DEWALT DT9412-QZ SDS-Max drill bit EXTREME HM 18x400x540mm
Brand: DEWALT
SKU: 02505918
Price: 43.6 EUR
Availability: PreOrder

Supplier number: DEWALT DT9412-QZ | EAN 5035048059791

Recommended Retail Price €96.20

43.60 tax incl.

€36.03 excl. VAT (incl. all environmental contributions)

On order: delivered from 27/10/2026

Ordered before 20:00 - delivered as of 27/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ 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.

High performance heavy concrete drilling with Dewalt

Practical benefits

Solid 4-cutter carbide head: You drill clean and concentric holes through reinforced concrete, ensuring optimal holding power for all your heavy anchors.
Fast and efficient dust removal: The 4-flute helix channels debris away rapidly so you maintain maximum drilling speed without jamming.
Reinforced core for durability: The hardened core maximizes impact transfer from your SDS-MAX hammer while reducing bit breakage under severe load.

In a nutshell

The right choise for

With the Dewalt DT9412-QZ SDS-Max hammer drill bit, you drill quickly and cleanly through the toughest base materials. The solid 4-cutter carbide head powers effortlessly through reinforced concrete, natural stone, and masonry without jamming on rebar. This ensures perfectly concentric holes for secure structural anchoring and service pass-throughs. Featuring a 400 mm working length and 540 mm total length, it gives you the reach needed for deep penetrations. The 4-flute helix with an open head design channels dust and debris away instantly to maintain drilling speed, while the reinforced core maximizes impact transfer from your SDS-Max rotary hammer and prevents breakage.

Product information FAQ

€43.60

tax incl.

Key features according to our expert

Diameter: 18 mm
Drill bit type: Hammer drill bit
Overall length: 540 mm
Shank type: SDS-max
Material (drill bit): Carbide tip
Number of cutting edges: 4
Cutting length: 400 mm
Product Range: Dewalt EXTREME

Product description

SDS-Max drill bit EXTREME HM 18x400x540mm

Features

4-fold spiral groove, the core of which has been retorted for greater durability, maximises fast removal of drill cuttings
Sturdy cutting head is flanked by two separate cutting tips that deliver fast and efficient drilling speed

All Features

Diameter: 18 mm
Drill bit type: Hammer drill bit
Overall length: 540 mm
Shank type: SDS-max
Material (drill bit): Carbide tip
Number of cutting edges: 4
Cutting length: 400 mm
Thickness: Impact Bits
Weight: NO
Applications: Concrete
Length: 540,0 mm
Material: Carbide Grit
Diameter: 18,0 mm
Product type: 1,0
Max. cutting capacity at 45° [square profile]: SDS Max Fitment
Performance: Extreme
Working length: 400,0 mm
Product range: Dewalt EXTREME

Brand DEWALT
02505918
EAN 5035048059791
Supplier number DEWALT DT9412-QZ

Frequently asked questions about this product

Answered by specialists

Which drill machines are compatible with this bit?: This bit features an SDS-Max shank and fits exclusively heavy-duty rotary hammers with an SDS-Max chuck.
Which materials is this hammer drill bit suitable for?: It is designed for drilling into masonry, concrete, reinforced concrete, and natural stone.
What are the exact dimensions of this drill bit?: The drill bit has an 18 mm diameter, a working length of 400 mm, and an overall length of 540 mm.
What is the benefit of the 4-cutter carbide tip?: The four cutting edges deliver concentric holes, reduce jamming on rebar, and extend bit life.
How does the bit design optimize dust removal?: The 4-flute helix quickly clears drilling dust away from the tip for consistent drilling speed.