Which materials is this diamond core bit suitable for?

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

What connection type does this core bit have?

This 18 mm core bit features a standard 1/2″ G threaded reception.

What are the diameter and working length?

The core bit has an 18 mm diameter, a working length of 300 mm, and an overall length of 370 mm.

Can this diamond core bit be used for dry drilling?

No, this model is specifically engineered for wet drilling with water cooling.

What is the benefit of the Thin Kerf design?

The narrower cutting width reduces friction, speeds up drilling progress, and optimizes cordless tool runtime.

MILWAUKEE 4932472170 MX FUEL THIN KERF diamond core cutter for wet drilling WCHP-TK 18mm

Name: MILWAUKEE 4932472170 MX FUEL THIN KERF diamond core cutter for wet drilling WCHP-TK 18mm
Brand: MILWAUKEE
SKU: 03075251
Price: 91.95 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4932472170 | EAN 4058546325664

Recommended Retail Price €184.46

91.95 tax incl.

€75.99 excl. VAT (incl. all environmental contributions)

On order: delivered from 13/10/2026

Ordered before 20:00 - delivered as of 13/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

How does it work?

Buy Milwaukee products with a total order value of at least €250 excl. VAT.
For a total order value of €250 excl. VAT up to but excluding €500 excl. VAT, you receive a FREE Milwaukee 12-piece Tri-Lobe screwdriver set (4932472003) worth €55.90.
For a total order value of €500 excl. VAT up to but excluding €750 excl. VAT, you receive a FREE Milwaukee M18 125 mm Random Orbital Sander cordless random orbital sander (4933464228) worth €168.90.
For a total order value of €750 excl. VAT or more, you receive a FREE Milwaukee M18 FUEL 125 mm cordless angle grinder with slide switch and brake (4933498062) worth €357.90.
The free item is automatically added to your order. No registration is required.
This promotion cannot be combined with the ongoing Milwaukee Cashback Promotion on Milwaukee hand tools. An invoice for which you receive a free Buy More, Get More gift therefore cannot also be submitted for the Milwaukee hand tools cashback promotion.
The promotion is valid from 01.10.2026 to 31.10.2026.
Milwaukee Buy More, Get More deals are recognisable by the promotion label on the product page. Click the label to view all available deals.

Fast wet coring with Milwaukee

Practical benefits

Faster drilling with thin kerf: You cut through reinforced concrete much faster thanks to the thin kerf design reducing resistance.
Laser welded tooth segments: The laser welded connection prevents teeth from breaking off while withstanding high operating temperatures.
Extended diamond segment life: A segment height of 10 mm ensures you achieve maximum service life across tough jobs.

In a nutshell

The right choise for

With the Milwaukee MX fuel thin kerf diamond core bit WCHP-TK, you drill quickly and cleanly through reinforced concrete and hard masonry. The thin kerf design significantly reduces cutting resistance, maximizing your drilling speed and optimizing battery runtime on cordless core drill motors. Laser-welded diamond segments with a 10 mm height withstand high operating temperatures and prevent tooth loss under heavy stress. Featuring an 18 mm diameter, a 300 mm working length, and a standard 1/2″ g threaded connection, you tackle precise penetrations and anchor holes with confidence during wet drilling.

Product information FAQ

€91.95

tax incl.

Key features according to our expert

Diameter: 18 mm
Length: 300 mm
Product Range: Milwaukee MX FUEL THIN KERF

Product description

Standard 1/2" G reception up to 45 mm, standard 1 1/4" UNC reception from 46 mm to 150 mm.
Laser welded segments guarantee against break off.
10 mm segment height for superior life time.
Suitable for reinforced concrete.
For wet drilling.

All Features

Diameter: 18 mm
Length: 300 mm
Overall length (mm): 370
Working length (mm): 300
Segment height (mm): 10
Product range: Milwaukee MX FUEL THIN KERF

Brand MILWAUKEE
03075251
EAN 4058546325664
Supplier number MILWAUKEE 4932472170

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 masonry.
What connection type does this core bit have?: This 18 mm core bit features a standard 1/2″ G threaded reception.
What are the diameter and working length?: The core bit has an 18 mm diameter, a working length of 300 mm, and an overall length of 370 mm.
Can this diamond core bit be used for dry drilling?: No, this model is specifically engineered for wet drilling with water cooling.
What is the benefit of the Thin Kerf design?: The narrower cutting width reduces friction, speeds up drilling progress, and optimizes cordless tool runtime.