Which rotary hammers are compatible with this core bit?

This core bit features an SDS-Max shank and fits directly onto all rotary hammers equipped with an SDS-Max chuck.

What are the dimensions of this Milwaukee core bit?

The core bit has a diameter of 68 mm and a maximum cutting depth of 290 mm.

What is the 68 mm diameter typically used for?

A 68 mm diameter is the standard size for drilling installation holes for flush-mounted electrical boxes and sockets.

What is the advantage of a one-piece design?

In a one-piece design, the core bit and SDS-Max shank are forged as a single tool, ensuring solid power transfer and high durability.

Is a pilot drill bit included?

Yes, this core bit comes supplied with a pilot drill bit and an ejector tool.

MILWAUKEE 4932399374 SDS-Max TCT drilling crown 68 x 290 mm

Name: MILWAUKEE 4932399374 SDS-Max TCT drilling crown 68 x 290 mm
Brand: MILWAUKEE
SKU: 02884729
Price: 174.6 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4932399374 | EAN 4002395359912

Recommended Retail Price €374.98

174.60 tax incl.

€144.30 excl. VAT (incl. all environmental contributions)

On order: delivered from 08/10/2026

Ordered before 20:00 - delivered as of 08/10/2026
Free shipping
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 core drilling with Milwaukee

Practical benefits

Robust one-piece steel design: The solid one-piece body transfers the full impact energy of your SDS-Max rotary hammer directly to the material.
Deep drilling depth capacity: Drill clean 68 mm diameter holes up to 290 mm deep for switch boxes and pipe installations.
Durable carbide cutting teeth: Hardened carbide tips ensure fast drilling progress and extended tool life when working through tough masonry and brick.

In a nutshell

The right choise for

Drill fast, accurate openings for flush-mount switch boxes and pipe penetrations with the Milwaukee SDS-Max tct core bit 4932399374. Featuring a 68 mm diameter, it creates the exact standard size needed for electrical boxes in masonry, brick, and unreinforced concrete. The solid one-piece steel construction transfers the full impact power of your SDS-Max rotary hammer directly without energy loss, while durable carbide cutting teeth ensure rapid progress and long service life. With an extended cutting depth of up to 290 mm, you can core through thick walls effortlessly without needing extra extension adapters.

Product information Accessories FAQ

€174.60

tax incl.

Key features according to our expert

Diameter: 68 mm
Max. cutting depth: 290 mm

Product description

One piece solid steel tool.
Increased lifetime.
Supplied with pilot drill bit and ejector tool.
Made in Germany.
Suitable for use in reinforced concrete with rebar.

All Features

Diameter: 68 mm
Max. cutting depth: 290 mm
Overall length (mm): 290

Brand MILWAUKEE
02884729
EAN 4002395359912
Supplier number MILWAUKEE 4932399374

Accessories

MILWAUKEE 4932399021 output key

Recommended Retail Price €19.60

8.80

€7.27 excl. VAT

Delivery time average 8 days.

Frequently asked questions about this product

Answered by specialists

Which rotary hammers are compatible with this core bit?: This core bit features an SDS-Max shank and fits directly onto all rotary hammers equipped with an SDS-Max chuck.
What are the dimensions of this Milwaukee core bit?: The core bit has a diameter of 68 mm and a maximum cutting depth of 290 mm.
What is the 68 mm diameter typically used for?: A 68 mm diameter is the standard size for drilling installation holes for flush-mounted electrical boxes and sockets.
What is the advantage of a one-piece design?: In a one-piece design, the core bit and SDS-Max shank are forged as a single tool, ensuring solid power transfer and high durability.
Is a pilot drill bit included?: Yes, this core bit comes supplied with a pilot drill bit and an ejector tool.