Which machines are compatible with this extension?

This extension fits all rotary hammer drills equipped with an SDS-plus chuck.

Which drill bits can be used with this extension?

You can use any drill bit or accessory with a standard SDS-plus shank.

How much reach does this extension provide?

The extension is 450 mm long, allowing you to drill deeper holes or work around obstacles easily.

Do you need extra tools to change drill bits?

No, the quick-connect mechanism allows for tool-free bit insertion and removal.

What is the outer diameter of the locking mechanism?

The connection collar has a diameter of 21 mm.

MILWAUKEE 4932471154 SDS+ 450 mm extension

Name: MILWAUKEE 4932471154 SDS+ 450 mm extension
Brand: MILWAUKEE
SKU: 03165152
Price: 137.4 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4932471154 | EAN 4058546287825

Recommended Retail Price €306.67

137.40 tax incl.

€113.55 excl. VAT (incl. all environmental contributions)

On order: delivered from 10/10/2026

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 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.

Extended reach with the Milwaukee extension

Practical benefits

Drill deeper around tight obstacles: With a 450 mm length, you easily bypass obstacles and complete deep drilling tasks without extra-long bits.
Fast tool-free bit changes: The click and connect mechanism lets you secure drill bits rapidly without using any additional tools.
Universal SDS-plus fitment: You can attach this extension to any standard SDS-plus rotary hammer and compatible drill bit.

In a nutshell

The right choise for

With the Milwaukee 450 mm SDS-Plus extension, you instantly extend the reach of your rotary hammer drill. Instead of purchasing expensive extra-long drill bits, you can quickly insert your standard SDS-Plus bits using the convenient tool-free click-and-connect mechanism. Featuring a slim 21 mm locking collar, it lets you complete deep-hole drilling in concrete and masonry, drill through thick walls or floors for pipework, and navigate tight spaces and obstacles with ease. Compatible with all standard SDS-Plus rotary hammers and accessories, this extension gives you the extra length and control needed to tackle demanding jobs efficiently.

Product information FAQ

€137.40

tax incl.

Key features according to our expert

Length: 450 mm
Connection size: Not applicable
Connection type: SDS-plus
Tool holder size: Not applicable
Tool holder type: SDS-plus
Thread type (tool holder): Not applicable

Product description

Universal SDS-Plus extensions to extend the reach of SDS-Plus drill bits.
Tool free drill bit click & connect system.
Fits to all SDS-Plus rotary hammers and drill bits.
Optimal for drilling around obstructions such as previously installed pipes and for overhead drilling.
Allows deep hole drilling e.g. rebar applications without buying an expensive long drill bit.
Diameter of the quick lock mechanism: 21 mm.

All Features

Length: 450 mm
Connection size: Not applicable
Connection type: SDS-plus
Tool holder size: Not applicable
Tool holder type: SDS-plus
Thread type (tool holder): Not applicable
Recording: SDS-Plus
Length (mm): 450
Axle intake: SDS-Plus

Brand MILWAUKEE
03165152
EAN 4058546287825
Supplier number MILWAUKEE 4932471154

Frequently asked questions about this product

Answered by specialists

Which machines are compatible with this extension?: This extension fits all rotary hammer drills equipped with an SDS-plus chuck.
Which drill bits can be used with this extension?: You can use any drill bit or accessory with a standard SDS-plus shank.
How much reach does this extension provide?: The extension is 450 mm long, allowing you to drill deeper holes or work around obstacles easily.
Do you need extra tools to change drill bits?: No, the quick-connect mechanism allows for tool-free bit insertion and removal.
What is the outer diameter of the locking mechanism?: The connection collar has a diameter of 21 mm.