Which materials is this hammer drill bit suitable for?

This drill bit is designed for drilling into masonry, stone, and concrete.

What is the usable drilling depth of this drill bit?

The total length is 450 mm and the working length (cutting length) is 400 mm.

What shank type does the Dewalt DT9599 have?

This hammer drill bit features an SDS-plus shank and fits all rotary hammers with an SDS-plus chuck.

How many cutting edges does the drill tip have?

The drill bit features a carbide 2-cutter head for fast and efficient drilling progress.

DEWALT DT9599 SDS-Plus EXTREME 2 drill bit 20x400x450mm - DT9599-QZ

Name: DEWALT DT9599 SDS-Plus EXTREME 2 drill bit 20x400x450mm - DT9599-QZ
Brand: DEWALT
SKU: 02450600
Price: 19.8 EUR
Availability: PreOrder

Supplier number: DEWALT DT9599-QZ | EAN 5035048055748

Recommended Retail Price €43.92

19.80 tax incl.

€16.36 excl. VAT (incl. all environmental contributions)

On order: delivered from 22/10/2026

Ordered before 20:00 - delivered as of 22/10/2026
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.

Efficient drilling with Dewalt

Practical benefits

Fast and precise penetration: The carbide tip design allows you to drill quickly and cleanly through tough masonry and concrete.
Rapid removal of dust: The optimized flute geometry clears drilling debris efficiently to prevent clogging during deep boring tasks.
Hardened core reduces breakage: You get exceptional durability under heavy loads thanks to the strengthened steel body construction.

In a nutshell

The right choise for

With the Dewalt DT9599 SDS-Plus Extreme 2 hammer drill bit, you drill quickly, deeply, and accurately into hard concrete, stone, and masonry. Featuring a working length of 400 mm and a total length of 450 mm, it allows you to create deep feedthroughs for cables and pipes across thick walls and floors. The durable carbide 2-cutter tip delivers rapid penetration, while the optimized flute geometry clears drilling dust efficiently to prevent clogging. Its hardened steel core minimizes the risk of breakage under demanding site conditions, and the SDS-Plus shank ensures secure locking in your rotary hammer without slipping.

Product information FAQ

€19.80

tax incl.

Key features according to our expert

Diameter: 20 mm
Drill bit type: Hammer drill bit
Overall length: 450 mm
Shank type: SDS-plus
Material (drill bit): Carbide tip
Number of cutting edges: 2
Cutting length: 400 mm
Product Range: Dewalt EXTREME

Product description

SDS-Plus drill bit EXTREME 2 20x400x450mm

Features

Suitable for fast drilling of plug, anchor or passage holes in masonry, stone, concrete and brickwork
Optimised mounting shank ensures perfect grip and optimum power transmission, with hardened steel housing for extra strength and reduced breakage
Sturdy cutting head is flanked by two separate cutting tips that deliver fast and efficient drilling speed

All Features

Diameter: 20 mm
Drill bit type: Hammer drill bit
Overall length: 450 mm
Shank type: SDS-plus
Material (drill bit): Carbide tip
Number of cutting edges: 2
Cutting length: 400 mm
Thickness: Impact Bits
Weight: NO
Applications: Concrete
Length: 450,0 mm
Material: Carbide Grit
Diameter: 20,0 mm
Product type: 1,0
Max. cutting capacity at 45° [square profile]: SDS Plus Fitment
Performance: Extreme
Working length: 400,0 mm
Product range: Dewalt EXTREME

Brand DEWALT
02450600
EAN 5035048055748
Supplier number DEWALT DT9599-QZ

Frequently asked questions about this product

Answered by specialists

Which materials is this hammer drill bit suitable for?: This drill bit is designed for drilling into masonry, stone, and concrete.
What is the usable drilling depth of this drill bit?: The total length is 450 mm and the working length (cutting length) is 400 mm.
What shank type does the Dewalt DT9599 have?: This hammer drill bit features an SDS-plus shank and fits all rotary hammers with an SDS-plus chuck.
How many cutting edges does the drill tip have?: The drill bit features a carbide 2-cutter head for fast and efficient drilling progress.