Which materials is this diamond core drill suitable for?

This Carat core drill is designed for wet drilling in concrete and hard stone types.

What machine connection does this core bit have?

It features a standard 5/4" UNC (1 1/4") female thread connection for core drill motors.

Is water cooling required during drilling?

Yes, this model is engineered specifically for wet drilling with an active water supply.

What are the exact dimensions of this core bit?

The drill bit has a drilling diameter of 161 mm and a working length of 420 mm.

CARAT EB16142020 Brilliant concrete drill 161 x 420mm 5/4" wet

Name: CARAT EB16142020 Brilliant concrete drill 161 x 420mm 5/4" wet
Brand: CARAT
SKU: 02757061
Price: 395.6 EUR
Availability: PreOrder

Supplier number: CARAT EB16142020 | EAN 8714452023082

Recommended Retail Price €544.50

395.60 tax incl.

€326.94 excl. VAT (incl. all environmental contributions)

On order: delivered from 07/10/2026

Ordered before 20:00 - delivered as of 07/10/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

Efficient wet drilling through concrete

Practical benefits

Fast and smooth starts: With the Carat Brilliant core bit, you begin drilling quickly and accurately using the profiled TT segments.
Laser-welded segment strength: You work safely through reinforced concrete and hard masonry thanks to heavy-duty laser-welded bonding.
Sized for large penetrations: Featuring a 161 mm diameter and 420 mm length, you create deep and neat openings for heavy installations.

In a nutshell

The right choise for

With the Carat Brilliant diamond core bit EB16142020, you drill cleanly and reliably through reinforced concrete and hard stone. The specially profiled tt segments ensure an immediate, accurate, and smooth drilling start without wandering. Heavy-duty laser-welded segment bonding provides maximum strength and safety during demanding wet coring applications. Featuring a 161 mm diameter and a 420 mm working length, this bit easily creates deep penetrations for large drainage pipes, plumbing, and ventilation ducts. The standard 5/4" unc connection delivers dependable power transfer on your diamond core drill.

Product information FAQ

€395.60

tax incl.

Key features according to our expert

Diameter: 161 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: 161 mm
Length: 420 mm
Connection size (machine): 1 1/4"

Brand CARAT
02757061
EAN 8714452023082
Supplier number CARAT EB16142020

Frequently asked questions about this product

Answered by specialists

Which materials is this diamond core drill suitable for?: This Carat core drill is designed for wet drilling in concrete and hard stone types.
What machine connection does this core bit have?: It features a standard 5/4" UNC (1 1/4") female thread connection for core drill motors.
Is water cooling required during drilling?: Yes, this model is engineered specifically for wet drilling with an active water supply.
What are the exact dimensions of this core bit?: The drill bit has a drilling diameter of 161 mm and a working length of 420 mm.