Which materials is this hammer drill bit suitable for?

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

Which power tools are compatible with this bit?

The bit features an SDS-plus shank and fits all rotary hammer drills with an SDS-plus chuck.

What is the usable drilling depth of this bit?

The total length is 450 mm and the working length is 400 mm.

How many cutting edges does the drill tip have?

The drill head features a 2-cutter carbide tip for fast and efficient drilling performance.

DEWALT DT9590-QZ SDS-Plus EXTREME 2 drill bit 18x400x450mm

Name: DEWALT DT9590-QZ SDS-Plus EXTREME 2 drill bit 18x400x450mm
Brand: DEWALT
SKU: 02383577
Price: 17.95 EUR
Availability: InStock

Supplier number: DEWALT DT9590-QZ | EAN 5035048055656

Recommended Retail Price €43.92

17.95 tax incl.

€14.83 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered tomorrow 03/10/2026
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.

Fast deep drilling with Dewalt

Practical benefits

Superior carbide durability: The hardened carbide tip ensures you penetrate tough concrete and masonry with minimal wear.
Efficient debris removal: The optimized flute geometry channels dust away quickly, so you maintain consistent drilling speeds.
Direct SDS-Plus power transfer: The reinforced shank design ensures you transfer maximum hammer impact directly to the working surface.

In a nutshell

The right choise for

With the Dewalt DT9590-QZ SDS-Plus Extreme 2 hammer drill bit, you drill deep and clean holes through concrete, masonry, and stone with total confidence. Featuring an 18 mm diameter, a 450 mm total length, and a 400 mm working length, this bit is built for running pipes, conduits, or setting deep structural anchors. The durable 2-cutter carbide tip delivers fast penetration and extended wear resistance, while the optimized flute channels debris away quickly to prevent jamming. The secure SDS-Plus shank ensures direct power transfer from your rotary hammer straight into the workpiece.

Product information FAQ

€17.95

In stock - tax incl.

Key features according to our expert

Diameter: 18 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 ea
Cutting length: 400 mm
Product Range: Dewalt EXTREME

Product description

SDS-Plus drill bit EXTREME 2 18x400x450mm

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 body 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: 18 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 ea
Cutting length: 400 mm
Thickness: Impact Bits
Weight: NO
Applications: Concrete
Length: 450,0 mm
Material: Carbide Grit
Diameter: 18,0 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
02383577
EAN 5035048055656
Supplier number DEWALT DT9590-QZ

Frequently asked questions about this product

Answered by specialists

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