Which machines are compatible with this drill bit?

This bit features an SDS-Plus shank and fits any rotary hammer equipped with a standard SDS-Plus chuck.

Is this drill bit suitable for reinforced concrete?

Yes, the 4-cutter solid carbide head prevents jamming and breakage when hitting steel rebar.

What is the usable working length of this bit?

The total length is 1000 mm, providing an effective working drilling depth of 940 mm.

Is pre-drilling required for this length?

Pre-drilling with a shorter drill bit of the same 20 mm diameter is recommended for stability and guidance.

Is this drill bit suitable for setting anchors?

Yes, it is PGM certified, guaranteeing precise and round holes required for approved anchor fastenings.

MILWAUKEE 4932479346 SDS-Plus MX4 hammer drill 4-coils 20x1000mm

Name: MILWAUKEE 4932479346 SDS-Plus MX4 hammer drill 4-coils 20x1000mm
Brand: MILWAUKEE
SKU: 08083439
Price: 89.8 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4932479346 | EAN 4058546371401

Recommended Retail Price €204.55

89.80 tax incl.

€74.21 excl. VAT (incl. all environmental contributions)

On order: delivered from 02/11/2026

Ordered before 20:00 - delivered as of 02/11/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Deep and precise concrete drilling

Practical benefits

Robust Milwaukee four-cutter design: The symmetrical four-cutter geometry ensures you drill perfectly round holes in reinforced concrete for secure anchor fixings.
Fast and efficient dust extraction: The high-volume four-flute channel clears dust rapidly, reducing friction so you maintain high drilling speeds.
Accurate spot drilling control: The sharp centering tip prevents wandering so you start each hole with pinpoint accuracy on dense stone.

In a nutshell

The right choise for

Drill through thick concrete walls with absolute power and precision using the Milwaukee SDS-Plus MX4 hammer drill bit in 20x1000 mm. Featuring a 940 mm working length and a solid 4-cutter carbide head, this bit powers through masonry and reinforced concrete in a single pass without jamming on rebar. The sharp centering tip prevents wandering for pinpoint starts, while the 4-flute spiral channel clears dust rapidly over long drilling depths to reduce friction. With its pgm certification, you are guaranteed perfectly round holes for approved structural anchor fastenings and conduit runs.

Product information FAQ

€89.80

tax incl.

Key features according to our expert

Diameter: 20 mm
Cutting length: 940 mm
Drill bit type: Hammer drill bit
Overall length: 1000 mm
Shank type: SDS-plus
Material (drill bit): Carbide tip
Number of cutting edges: 4

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: 20 mm
Cutting length: 940 mm
Drill bit type: Hammer drill bit
Overall length: 1000 mm
Shank type: SDS-plus
Material (drill bit): Carbide tip
Number of cutting edges: 4
Pre-drilling: Suitable
Overall length (mm): 1000
Working length (mm): 940

Brand MILWAUKEE
08083439
EAN 4058546371401
Supplier number MILWAUKEE 4932479346

Frequently asked questions about this product

Answered by specialists

Which machines are compatible with this drill bit?: This bit features an SDS-Plus shank and fits any rotary hammer equipped with a standard SDS-Plus chuck.
Is this drill bit suitable for reinforced concrete?: Yes, the 4-cutter solid carbide head prevents jamming and breakage when hitting steel rebar.
What is the usable working length of this bit?: The total length is 1000 mm, providing an effective working drilling depth of 940 mm.
Is pre-drilling required for this length?: Pre-drilling with a shorter drill bit of the same 20 mm diameter is recommended for stability and guidance.
Is this drill bit suitable for setting anchors?: Yes, it is PGM certified, guaranteeing precise and round holes required for approved anchor fastenings.