Milwaukee
Milwaukee Tool M12 FUEL 1/2" Hammer Drill/Driver
- SKU:
- MLW3404-20
- Availability:
- Usually Ships Same Day
- Weight:
- 2.53 LBS
Description

DUTY®
M12 FUEL 1/2 in. Hammer Drill/Driver
M12 FUEL 1/2 in. Hammer Drill/Driver for task-specific cordless fastening.
Product Overview
This brushless drill combines drilling and fastening. A metal ratcheting chuck grips the selected bit.
A mechanical clutch controls screw seating. The work light improves visibility around the bit.
- Metal ChuckRatcheting grip retains bits.
- Mechanical ClutchControl force during driving.
- Brushless MotorPOWERSTATE drives the drill.
- Hammer ModeSelect for masonry drilling.
Technical Specifications
- Model
- 3404-20
- Battery System
- M12
- Chuck
- 1/2 in. metal
- Clutch Settings
- 12
- Speed
- 0–1,550 RPM
- Torque
- 400 in-lbs
Choose the Correct Fit
Choose the bit and mode for the material and task. Check that the bit shank fits securely in the chuck.
Set driving control on matching scrap material before final fastening. Support the work and use the grip required by the operator manual.
Installation & Care
Remove the battery before changing bits or making adjustments. Inspect the bit and chuck before starting.
Keep the ventilation openings and chuck clean as directed. Follow the manual for safe drilling technique and periodic inspection.
Small Details. Big Jobsite Energy.
Get set. Stay focused. Make your next move count.
THE NEXT JOB.
Ask Willy:
Need help choosing this cordless tool? Share model 3404-20, your task and the accessories you plan to use.
Important Product Questions
What chuck does it use?
It has a 1/2 in. all-metal ratcheting chuck. Match the bit shank and application to the tool.
Does it have a hammer mode?
Yes. Select the hammer mode and a suitable masonry bit for the application.
What control feature helps during use?
The mechanical clutch helps control driving force. Test the setting on matching material before final screw seating.