Which materials is this diamond core drill bit suitable for?

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

What machine connection does the Carat EP03142010 use?

It features a 1/2"G male thread connection for compatible diamond drilling rigs and motors.

What are the dimensions of this core bit?

The drill bit has a diameter of 31 mm and a total working length of 420 mm.

Is water cooling required during operation?

Yes, this is a wet-use diamond bit that requires a constant water feed for cooling and slurry flushing.

How are the diamond segments attached?

The segments are laser-welded to the tube body to prevent segment loss under heavy loads.

CARAT EP03142010 Premium concrete drill 31mm 420mm 1/2 wet

Name: CARAT EP03142010 Premium concrete drill 31mm 420mm 1/2 wet
Brand: CARAT
SKU: 03290977
Price: 108.6 EUR
Availability: PreOrder

Supplier number: CARAT EP03142010 | EAN 8714452025079

Recommended Retail Price €134.31

108.60 tax incl.

€89.75 excl. VAT (incl. all environmental contributions)

On order: delivered from 21/10/2026

Delivery by DHL

✆ Talk to a specialist

Clean wet drilling in concrete

Practical benefits

Carat EP03142010 core bit: You drill cleanly through reinforced concrete and hard masonry using this dedicated wet diamond drill bit.
Laser-welded segments for durability: The robust laser-welded diamond segments resist tooth loss, giving you dependable strength during demanding drilling jobs.
Fast and easy starting: The engineered segment profile allows you to start holes easily without slipping, ensuring steady progress through tough materials.

In a nutshell

The right choise for

With the Carat EP03142010 ep Premium diamond core drill bit, you drill clean and precise holes through reinforced concrete and hard stone. Designed for wet drilling, it features a 31 mm diameter and a 420 mm working length, making it ideal for deep penetrations when running pipes and cables. The robust laser-welded diamond segments offer dependable resistance against tooth loss, ensuring safe and consistent operation under demanding loads. Thanks to the engineered segment profile, you benefit from a smooth and easy start without slipping. Fitted with a 1/2"G male thread connection, it attaches securely to compatible core drilling motors for efficient and controlled drilling.

Product information FAQ

€108.60

tax incl.

Key features according to our expert

Diameter: 31 mm
Length: 420 mm
Connection size (machine): 1/2"
Connection type (machine): External thread

Product description

Diamond drill Laser Premium for water-cooled use in concrete and hard stone.
Equipped with TT segments; for easy and quick starting.
Laser welded, thus 100% guarantee against tooth breakage.

All Features

Diameter: 31 mm
Length: 420 mm
Connection size (machine): 1/2"
Connection type (machine): External thread

Brand CARAT
03290977
EAN 8714452025079
Supplier number CARAT EP03142010

Frequently asked questions about this product

Answered by specialists

Which materials is this diamond core drill bit suitable for?: It is designed for wet drilling in reinforced concrete and hard stone materials.
What machine connection does the Carat EP03142010 use?: It features a 1/2"G male thread connection for compatible diamond drilling rigs and motors.
What are the dimensions of this core bit?: The drill bit has a diameter of 31 mm and a total working length of 420 mm.
Is water cooling required during operation?: Yes, this is a wet-use diamond bit that requires a constant water feed for cooling and slurry flushing.
How are the diamond segments attached?: The segments are laser-welded to the tube body to prevent segment loss under heavy loads.