Which materials is this hammer drill bit suitable for?

This drill bit is suitable for drilling in masonry, concrete, reinforced concrete, and natural stone.

What is the usable drilling depth of this drill bit?

The usable working length is 150 mm, with a total length of 210 mm.

Which machine chuck connection is required?

This bit features an SDS-plus shank and fits all rotary hammers equipped with an SDS-plus chuck.

What is the advantage of the MX4 4-cutter head?

The 4 cutting edges produce accurate round holes, reduce jamming on rebar, and ensure efficient dust extraction.

How many drill bits are included in this pack?

This pack contains 10 hammer drill bits of 12 mm x 210 mm.

MILWAUKEE 4932352050 SDS-Plus MX4 hammer drill bit 4-coils 12x210mm (10 pcs)

Name: MILWAUKEE 4932352050 SDS-Plus MX4 hammer drill bit 4-coils 12x210mm (10 pcs)
Brand: MILWAUKEE
SKU: 02879577
Price: 82.4 EUR
Availability: InStock

Supplier number: MILWAUKEE 4932352050 | EAN 4002395367078

Recommended Retail Price €164.14

82.40 tax incl.

€68.10 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

blister

Ordered before 20:00 - delivered tomorrow 14/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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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.
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The promotion is valid from 01.10.2026 to 31.10.2026.
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Accurate drilling in reinforced concrete

Practical benefits

Solid Milwaukee 4-cutter head: You drill effortlessly through tough concrete and rebar without experiencing jamming or unexpected bit lock-ups.
Fast debris extraction spirals: The 4-flute design rapidly clears dust away, keeping drilling friction low and working speeds high.
Perfectly round anchor holes: The integrated centering tip helps you start precisely and produce perfectly round holes for secure anchor fixings.

In a nutshell

The right choise for

With the Milwaukee SDS-Plus MX4 hammer drill bit, you drill quickly, cleanly, and reliably into masonry, natural stone, concrete, and reinforced concrete. The solid 4-cutter head with carbide tip prevents the bit from jamming when striking rebar. Its centering tip and symmetrical geometry create perfectly round, cylindrical holes for secure anchor fixings. Meanwhile, the 4-flute spiral design rapidly clears drilling dust to minimize friction and heat buildup. Supplied in a convenient pack of 10 bits with a 12 mm diameter and 150 mm working length, this set keeps you working continuously on heavy-duty jobsite tasks.

Product information FAQ

€82.40

In stock - tax incl.

Key features according to our expert

Diameter: 12 mm
Drill bit type: Hammer drill bit
Overall length: 210 mm
Shank type: SDS-plus
Material (drill bit): Carbide tip
Number of cutting edges: 4 ea
Number per blister: 10
Cutting length: 150 mm

Product description

The Milwaukee MX4 SDS-Plus drill bit is engineered for the toughest applications, featuring innovative fully welded solid carbide tip technology (up to Ø 20 mm) for maximum durability in rebar and unmatched drilling speed in concrete.
4-Cutter solid carbide tip: Enhanced geometry with a sharp centering tip, rebar guards, and new dust grooves delivers clean starts, precise holes, and maximum life when drilling through rebar - even under extreme jobsite conditions.
Optimised flute design with reinforced core: A thicker core combined with alternating SPEED and HEAVY-DUTY spirals ensures fast debris removal, reduced friction, and superior stability in demanding applications.
Convex shank for maximum energy transfer: The convex shank end optimises energy transfer from tool to tip, boosting impact force, drilling efficiency, and jobsite productivity.
One-Piece slotted carbide tip for Ø >20 mm: For large-diameter concrete drilling, this design offers exceptional strength, extended bit life, and break resistance in heavy-duty use.
PGM certified: Meets industry standards for precision and safety, making it the ideal choice for anchor setting.
Made in Germany: Manufactured to the highest standards for uncompromising quality, reliability, and performance on every jobsite.

All Features

Diameter: 12 mm
Drill bit type: Hammer drill bit
Overall length: 210 mm
Shank type: SDS-plus
Material (drill bit): Carbide tip
Number of cutting edges: 4 ea
Number per blister: 10
Cutting length: 150 mm
Overall length (mm): 215
Working length (mm): 150

Brand MILWAUKEE
02879577
EAN 4002395367078
Supplier number MILWAUKEE 4932352050

Frequently asked questions about this product

Answered by specialists

Which materials is this hammer drill bit suitable for?: This drill bit is suitable for drilling in masonry, concrete, reinforced concrete, and natural stone.
What is the usable drilling depth of this drill bit?: The usable working length is 150 mm, with a total length of 210 mm.
Which machine chuck connection is required?: This bit features an SDS-plus shank and fits all rotary hammers equipped with an SDS-plus chuck.
What is the advantage of the MX4 4-cutter head?: The 4 cutting edges produce accurate round holes, reduce jamming on rebar, and ensure efficient dust extraction.
How many drill bits are included in this pack?: This pack contains 10 hammer drill bits of 12 mm x 210 mm.