Which materials is this diamond core bit suitable for?

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

What connection type does this core bit use?

It features a standard 1 1/4" UNC reception compatible with corresponding diamond drilling machines.

What are the dimensions of this core bit?

It has a diameter of 86 mm, a working length of 450 mm, and a total length of 525 mm.

What is the benefit of the Thin Kerf design?

The thin-walled profile reduces cutting resistance and friction, enabling faster drilling speeds and improved efficiency.

Can this core bit be used for dry drilling?

No, this model is engineered strictly for wet drilling with continuous water cooling to prevent overheating.

MILWAUKEE 4932472191 MX FUEL THIN KERF diamond core cutter for wet drilling WCHP-TK 86mm

Name: MILWAUKEE 4932472191 MX FUEL THIN KERF diamond core cutter for wet drilling WCHP-TK 86mm
Brand: MILWAUKEE
SKU: 03075291
Price: 186.95 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4932472191 | EAN 4058546325879

Recommended Retail Price €379.09

186.95 tax incl.

€154.50 excl. VAT (incl. all environmental contributions)

On order: delivered from 13/10/2026

Delivery by DHL

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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 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.

Efficient wet drilling in reinforced concrete

Practical benefits

Faster cutting through concrete: The thin-kerf design lets you drill through reinforced concrete faster while reducing power consumption.
Laser-welded segments for durability: The 10 mm tall diamond segments are laser welded to prevent break-off during tough drilling applications.
Built for Milwaukee MX FUEL: You get optimal cordless efficiency and extended run time when wet coring on demanding job sites.

In a nutshell

The right choise for

With the Milwaukee wchp-tk diamond core bit, you can drill quickly and precisely through reinforced concrete and hard masonry materials. Its thin-kerf profile significantly reduces cutting resistance, allowing you to work faster while maximizing the efficiency and run time of cordless tools such as the Milwaukee MX fuel diamond drill. The 10 mm tall diamond segments are laser-welded to prevent segment loss and deliver superior durability during heavy-duty jobs. Featuring an 86 mm diameter, a 450 mm working length, and a standard 1 1/4" unc reception, it easily creates clean penetrations for pipes and cables while integrated wet coring keeps the cut cool and clears slurry effectively.

Product information FAQ

€186.95

tax incl.

Key features according to our expert

Diameter: 86 mm
Length: 450 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: 86 mm
Length: 450 mm
Overall length (mm): 525
Working length (mm): 450
Segment height (mm): 10
Product range: Milwaukee MX FUEL THIN KERF

Brand MILWAUKEE
03075291
EAN 4058546325879
Supplier number MILWAUKEE 4932472191

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 and other hard masonry materials.
What connection type does this core bit use?: It features a standard 1 1/4" UNC reception compatible with corresponding diamond drilling machines.
What are the dimensions of this core bit?: It has a diameter of 86 mm, a working length of 450 mm, and a total length of 525 mm.
What is the benefit of the Thin Kerf design?: The thin-walled profile reduces cutting resistance and friction, enabling faster drilling speeds and improved efficiency.
Can this core bit be used for dry drilling?: No, this model is engineered strictly for wet drilling with continuous water cooling to prevent overheating.