Which materials is this diamond core bit suitable for?

It is designed for wet drilling in reinforced concrete, standard concrete, and hard stone.

What machine connection does this Carat core bit have?

It features a standard 5/4" UNC (1 1/4") connection for compatible diamond drilling machines.

Is water cooling required when drilling?

Yes, this core bit is specifically designed for wet drilling with water cooling.

What are the dimensions of this diamond core bit?

The core bit has a diameter of 181 mm and a working length of 420 mm.

CARAT EB18142020 Brilliant concrete drill 181 x 420mm 5/4" wet

Name: CARAT EB18142020 Brilliant concrete drill 181 x 420mm 5/4" wet
Brand: CARAT
SKU: 02757063
Price: 484.8 EUR
Availability: PreOrder

Supplier number: CARAT EB18142020 | EAN 8714452023105

Recommended Retail Price €606.21

484.80 tax incl.

€400.66 excl. VAT (incl. all environmental contributions)

On order: delivered from 13/10/2026

Ordered before 20:00 - delivered as of 13/10/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

High performance wet concrete drilling

Practical benefits

Fast and easy starting: The specialized TT segments ensure you achieve a smooth start and maximum cutting efficiency in reinforced concrete.
Durable Carat laser welds: Laser-welded segments stay firmly attached to the core barrel, offering you dependable safety during heavy-duty wet drilling.
Powerful standard connection: With the 5/4" UNC fitting and 420 mm depth, you efficiently transfer the full output of your core drilling rig.

In a nutshell

The right choise for

Drill smoothly and accurately through reinforced concrete, standard concrete, and hard stone with the Carat Brilliant eb diamond core bit. Thanks to its specialized tt segments, you achieve a fast start and high cutting efficiency when creating large openings for ventilation ducts and service lines. The laser-welded segments deliver dependable strength during demanding wet drilling tasks with water cooling. Featuring a 181 mm diameter, a 420 mm working length, and a standard 5/4" unc connection, this core bit transfers the full drilling power of your rig-mounted core drill.

Product information FAQ

€484.80

tax incl.

Key features according to our expert

Diameter: 181 mm
Length: 420 mm
Connection size (machine): 1 1/4"

Product description:

Diamond drill Laser Brilliant for use with water cooling in concrete and hard stone types.
Equipped with TT segments; for easy and quick starting.
Laser welded, thus 100% guarantee against weld breakage.

All Features

Diameter: 181 mm
Length: 420 mm
Connection size (machine): 1 1/4"

Brand CARAT
02757063
EAN 8714452023105
Supplier number CARAT EB18142020

Frequently asked questions about this product

Answered by specialists

Which materials is this diamond core bit suitable for?: It is designed for wet drilling in reinforced concrete, standard concrete, and hard stone.
What machine connection does this Carat core bit have?: It features a standard 5/4" UNC (1 1/4") connection for compatible diamond drilling machines.
Is water cooling required when drilling?: Yes, this core bit is specifically designed for wet drilling with water cooling.
What are the dimensions of this diamond core bit?: The core bit has a diameter of 181 mm and a working length of 420 mm.