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MILWAUKEE M18 ONEIWF12-502X FUEL ONE-KEY cordless impact spanner 1/2" with friction ring in HD Box (2x 5.0Ah battery + charger) - 4933451374

MILWAUKEE
Supplier number: MILWAUKEE 4933451374 | EAN 4002395160525
Recommended Retail Price €710.84
541.91 tax incl.
€447.86 excl. VAT (incl. all environmental contributions)
On order: delivered from 16/10/2026

✆ Talk to a specialist

Exclusive at Klium: Milwaukee Buy More, Get More 2026 - Get a FREE Milwaukee gift!

Buy at least €250 excl. VAT worth of Milwaukee products during the promotional period and, depending on your total order value, receive a FREE Milwaukee screwdriver set, cordless random orbital sander or cordless angle grinder.

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 (4933498062) 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.

Total fastening control with the Milwaukee impact wrench

Practical benefits
  • Complete custom tool settings: Connect via bluetooth to configure speed, torque, and lighting settings precisely to your application requirements using the ONE-KEY app.
  • High torque in tight spots: Delivering up to 300 Nm with a head length of 155 mm, it allows you to fasten tough bolts in confined spaces.
  • Quick and secure socket changes: The 1/2" square drive with friction ring ensures solid socket retention while allowing swift accessory swaps during intensive tasks.

In a nutshell

The right choise for

With the Milwaukee M18 ONEIWF12-502X cordless impact wrench, you take full command of heavy-duty fastening. Delivering up to 300 Nm of torque within a compact 155 mm head length, it lets you tackle tough tasks in confined spaces with ease. The 1/2" square drive with a friction ring ensures secure socket retention and quick swaps during demanding jobs. Connect via Bluetooth to the one-key app to customize speed, torque, and work light settings to your exact needs. This complete set includes two M18 B5 5.0Ah batteries, an M12-18 fc fast charger, a belt clip, and a durable hd Box.

Recommended Combinations
With Milwaukee M18 5 Ah Battery
With Milwaukee M18 5 Ah Battery and Charger
milwaukee_4933451374
MILWAUKEE M18 ONEIWF12-502X... x 1
541.91
milwaukee_4932430483
MILWAUKEE M18 B5 Li-ion... x 1
86.27
Original Price (tax incl.): 628.18
You Save: -4.31
Bundle Price (tax incl.): 623.87


Product information Accessories FAQ
€541.91
tax incl.

Product information

Key features according to our expert

  • Battery voltage: 18 V
  • Number of adjustable settings: 4
  • Number of batteries included: 2
  • With work light: Yes
  • UN number: UN3481
  • Type of system case: HD Box
  • Supplied in: System case
  • Length (head): 155 mm
  • Weight: 1,1 kg
  • Retention type (socket): Friction ring
  • Tool holder type: External square
  • Capacity (battery): 5 Ah
  • With extended drive shaft: No
  • Tool holder size: 1/2"
  • Max. tightening torque: 300 Nm
  • Max. breakeway torque: 300 Nm
  • Product Range: Milwaukee M18

Supplied as standard

  • 2 x M18 B5 Battery packs
  • M12-18 FC Charger
  • Supplied in: HD Box
  • Belt hook

Product description

  • M18 FIWF12 but with ONE-KEY technology
  • Connect via Bluetooth with the ONE-KEY app
  • Complete tool customisation via ONE-KEY app to tune the tool to your needs
  • Control speed, torque, start - end speeds and LED light
  • Configure to any application choosing optimum tool settings for repeatable precision
  • Program / save profiles for unmatched control
  • Select from a range of application profiles or quickly create your own for perfect results on every trigger pull
  • Save up to 4 custom settings to the tools memory for fast selection on the jobsite
  • ONE-KEY app also provides inventory function for total management of your complete tool / equipment fleet
  • Flexible battery system: works with all MILWAUKEE M18 batteries

All Features

Battery voltage
18 V
Number of adjustable settings
4
Number of batteries included
2
With work light
Yes
Un number
UN3481
Type of system case
HD Box
Supplied in
System case
Length (head)
155 mm
Weight
1,1 kg
Retention type (socket)
Friction ring
Tool holder type
External square
Capacity (battery)
5 Ah
With extended drive shaft
No
Tool holder size
1/2"
Max. tightening torque
300 Nm
Max. breakeway torque
300 Nm
Battery type
Li-ion
Product range
Milwaukee M18
Sound pressure level, deviation (db(a))
3
Sound power level, measured, deviation (db(a))
3
Vibration level when tightening with maximum torque (m/s²)
7.7
Vibration level when tightening with maximum torque, deviation (m/s²)
1.5
Sound power level, measured (db(a))
104.5
Breakaway torque (nm)
300
Voltage (v)
18
No load speed (rpm)
900/ 1400/ 1900/ 2500
Max. screw size
M16
Number of batteries supplied
2

Accessories

View more accessories (116)

Frequently asked questions about this product

Answered by specialists
What is included in this set?
You receive the 18V cordless impact wrench, 2 M18 B5 5.0Ah batteries, an M12-18 FC fast charger, a belt clip, and an HD Box.
What is the maximum torque delivered by this impact wrench?
The tool delivers a maximum tightening and breakaway torque of 300 Nm across 4 selectable modes.
What sockets fit the anvil of this tool?
It features a 1/2" square drive with friction ring for quick socket changes using standard 1/2" impact sockets.
What is the benefit of ONE-KEY technology?
ONE-KEY allows you to customize speed and torque settings via Bluetooth and track tool inventory in the app.
Which batteries are compatible with this tool?
This impact wrench is compatible with all 18V batteries from the Milwaukee M18 system.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

Chat with us
0032 3 74 000 41 [email protected]

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