Which materials is this diamond core drill bit suitable for?

It is designed for drilling into concrete, reinforced concrete, and hard stone types.

Is this core drill bit used wet or dry?

It is specifically designed for wet drilling with water cooling to prevent overheating and premature wear.

What machine connection does this drill bit have?

The drill bit features a 1/2"G connection suitable for matching diamond core drilling machines.

What are the exact dimensions of this drill bit?

It has a drilling diameter of 71 mm and an overall length of 420 mm.

What is the benefit of the laser-welded TT segments?

The laser-welded TT segments enable fast, smooth starting and offer high protection against segment breakage.

CARAT EB07142010 Brilliant concrete drill 71 x 420mm 1/2" wet

Name: CARAT EB07142010 Brilliant concrete drill 71 x 420mm 1/2" wet
Brand: CARAT
SKU: 02868330
Price: 176.6 EUR
Availability: PreOrder

Supplier number: CARAT EB07142010 | EAN 8714452022801

Recommended Retail Price €243.21

176.60 tax incl.

€145.95 excl. VAT (incl. all environmental contributions)

On order: delivered from 22/10/2026

Ordered before 20:00 - delivered as of 22/10/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

Efficient wet core drilling through reinforced concrete

Practical benefits

Durable Carat diamond segments: Laser-welded segments allow you to cut smoothly through reinforced concrete and hard stone without segment loss.
Deep drilling reach: With a working length of 420 mm, you create clean core penetrations through thick walls and floors.
Standard 1/2"G connection: The 1/2"G female thread mounts securely on your wet drilling machine for steady power transfer.

In a nutshell

The right choise for

With the Carat Brilliant eb diamond core drill bit, you drill clean and fast through reinforced concrete and hard stone. Designed for wet drilling with a 71 mm diameter and a 420 mm working length, it is ideal for creating deep penetrations for plumbing, drainage pipes, and conduits through thick floors and structural walls. The laser-welded tt segments enable a fast, smooth start while protecting against segment breakage during heavy drilling tasks. Continuous water cooling prevents overheating and keeps segment wear to a minimum. The standard 1/2"G connection mounts securely onto compatible core drilling machines for steady power transfer.

Product information FAQ

€176.60

tax incl.

Key features according to our expert

Diameter: 71 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: 71 mm
Length: 420 mm
Connection size (machine): 1/2"

Brand CARAT
02868330
EAN 8714452022801
Supplier number CARAT EB07142010

Frequently asked questions about this product

Answered by specialists

Which materials is this diamond core drill bit suitable for?: It is designed for drilling into concrete, reinforced concrete, and hard stone types.
Is this core drill bit used wet or dry?: It is specifically designed for wet drilling with water cooling to prevent overheating and premature wear.
What machine connection does this drill bit have?: The drill bit features a 1/2"G connection suitable for matching diamond core drilling machines.
What are the exact dimensions of this drill bit?: It has a drilling diameter of 71 mm and an overall length of 420 mm.
What is the benefit of the laser-welded TT segments?: The laser-welded TT segments enable fast, smooth starting and offer high protection against segment breakage.