Which materials is this diamond core drill bit suitable for?

It is suitable for drilling in concrete, reinforced concrete, and hard (natural) stone.

What machine connection does this core bit have?

The drill bit features a 1/2" connection for compatible diamond drilling machines.

Should this diamond core bit be used wet or dry?

This core drill bit is designed for wet drilling with water cooling.

What are the dimensions of this drill bit?

The bit has a diameter of 81 mm and a working length of 420 mm.

Can this bit be used on a machine with a 5/4" UNC connection?

No, you will need a 1/2" to 5/4" UNC adapter.

CARAT EB08142010 Brilliant concrete drill 81 x 420mm 1/2" wet

Name: CARAT EB08142010 Brilliant concrete drill 81 x 420mm 1/2" wet
Brand: CARAT
SKU: 02799111
Price: 226.4 EUR
Availability: PreOrder

Supplier number: CARAT EB08142010 | EAN 8714452022887

Recommended Retail Price €283.14

226.40 tax incl.

€187.11 excl. VAT (incl. all environmental contributions)

On order: delivered from 09/10/2026

Ordered before 20:00 - delivered as of 09/10/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

Efficient wet drilling through reinforced concrete

Practical benefits

Rapid drilling performance: With laser-welded TT segments, you cut quickly and smoothly through hard natural stone and reinforced concrete.
Robust laser-welded durability: The segments are securely laser-welded onto the core bit, giving you high resistance against breakage during demanding applications.
Direct machine tool compatibility: Fitted with a standard 1/2" G connection and 81 mm diameter, this Carat diamond core bit fits suitable wet drilling rigs.

In a nutshell

The right choise for

With the Carat EB08142010 Brilliant diamond core drill bit, you cut quickly and smoothly through reinforced concrete and hard stone types. Its laser-welded tt segments deliver maximum durability and high resistance against breakage during demanding jobs. Designed for wet drilling with water cooling, it effectively prevents overheating, reduces segment wear, and minimizes dust on the job site. Featuring an 81 mm diameter, a 420 mm working length, and a standard 1/2" g connection, this bit mounts directly onto compatible diamond drilling rigs to create accurate penetrations for pipework, ventilation ducts, and drain pipes.

Product information FAQ

€226.40

tax incl.

Key features according to our expert

Diameter: 81 mm
Length: 420 mm
Connection size (machine): 1/2"

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: 81 mm
Length: 420 mm
Connection size (machine): 1/2"

Brand CARAT
02799111
EAN 8714452022887
Supplier number CARAT EB08142010

Frequently asked questions about this product

Answered by specialists

Which materials is this diamond core drill bit suitable for?: It is suitable for drilling in concrete, reinforced concrete, and hard (natural) stone.
What machine connection does this core bit have?: The drill bit features a 1/2" connection for compatible diamond drilling machines.
Should this diamond core bit be used wet or dry?: This core drill bit is designed for wet drilling with water cooling.
What are the dimensions of this drill bit?: The bit has a diameter of 81 mm and a working length of 420 mm.
Can this bit be used on a machine with a 5/4" UNC connection?: No, you will need a 1/2" to 5/4" UNC adapter.