Milwaukee 3401-20 M12 Subcompact Brushless Drill Driver
- Drill Type: Combination Drill
- Torque: 350 in-lb
- Maximum Torque: 350 in-lb
- Maximum Rotational Speed: 1550 rps
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A lightweight 12 volt Milwaukee driver with a strong review base, worth it for anyone already on the M12 battery platform who needs a light everyday driver.
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ASIN: B0FHHB214DModel: 3401-20Category: Drills
Overview
Running on Milwaukee's 12 volt M12 platform at 2 amps, the 3401-20 pairs a listed speed figure of 1,550 with a weight of just 1.6 pounds, pointing to a compact, one handed driver.
Milwaukee's M12 line is built around exactly this kind of light, single battery platform tool, and the 1.6 pound weight backs that up. The listing does not include chuck size or clutch settings, so pair this page with Milwaukee's own spec sheet for those details.
- 12 volt, 2 amp motor
- Listed speed figure of 1,550
- 1.6 pound weight
Who it's for
Suits users already on, or planning to build, Milwaukee's 12 volt M12 platform who want a light driver for trim work, furniture assembly, or driving tasks around the house. Heavier drilling into masonry or thick lumber calls for a higher voltage tool.
Pros and cons
- Light at 1.6 pounds for one handed use
- Milwaukee M12 battery platform
- 12 volt output limits it to light duty tasks
- Chuck size and clutch settings not listed
Performance notes
At 12 volts and 2 amps with a listed speed figure of 1,550, this driver is built for light to moderate driving and drilling rather than heavy duty work, and its 1.6 pound weight keeps it easy to hold one handed for extended tasks.
Specifications
| Brand | MILWAUKEE |
|---|---|
| Model | 3401-20 |
| Dimensions & fit | |
| Item Weight | 1.6 poundslower than 70% of 238 drills |
| Capacity & performance | |
| Maximum Rotational Speed | 1550 rps |
| Drilling Capacity Metal | 0.4 incheslower than 77% of 155 drills |
| Drilling Capacity Wood | 0.4 incheslower than 82% of 154 drills |
| Power & efficiency | |
| Amperage | 2 ampslower than 67% of 166 drills |
| Voltage | 12 voltslower than 67% of 255 drills |
| Construction & materials | |
| Color | Black/Red |
| Included components | |
| Included Components | Milwaukee Electric - M12 SUBCOMPACT BRUSHLESS 3/8 |
| Warranty & support | |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Other details | |
| Drill Type | Combination Drill |
| Torque | 350 in-lbhigher than 67% of 154 drills |
| Maximum Torque | 350 in-lbhigher than 59% of 137 drills |
| Item Type Name | Milwaukee Electric - M12 SUBCOMPACT BRUSHLESS 3/8 DRILL/DRIVER |
Closest rivals on specs
BOSCH GSR12V-300HXB22 12V Max Brushless Hex Screwdriver Kit- Item Weight 1.6 vs 1.3 pounds (+23%)
ONE+ P1811 18V Drill Driver Kit- Voltage 12 vs 18 volts (-33%)
Frequently asked questions
What battery platform does the Milwaukee 3401-20 use?
It runs on Milwaukee's 12 volt system, drawing 2 amps.
How much does the Milwaukee 3401-20 weigh?
It is listed at 1.6 pounds.
What speed does it run at?
The listing gives a speed figure of 1,550.