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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Wednesday, Nov 19
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Features
- Brushless Motor delivers the power to complete the widest range of applications of any subcompact hammer drill driver
- Fastest Drilling and Driving applications under load
- Light Weight at 2.6 lbs for tool belt portability and less fatigue in the work day
- 1/2" All-Metal chuck for maximum durability, grip and bit retention
- Mechanical Clutch for consistency in driving a wide range of fasteners
Description
Milwaukee 3404-20 12V Fuel Cordless 1/2" Hammer Drill/Driver (Bare Tool)
Brand: Milwaukee
Power Source: Battery Powered
Maximum Rotational Speed: 1500 RPM
Voltage: 220 Volts
Amperage: 12 Milliamps
Brand: Milwaukee
Power Source: Battery Powered
Maximum Rotational Speed: 1500 RPM
Voltage: 220 Volts
Amperage: 12 Milliamps
Maximum Chuck Size: 0.5 Inches
Color: Red/Black
Included Components: Milwaukee Electric - M12 FUEL. 1/2 HAMMER DRILL-DR
Special Feature: Compact, Lightweight
Product Dimensions: 6"L x 2"W x 7"H
Material: Metal
Maximum Torque: 400 Inch Pounds
Speed: 1500 RPM
Item Weight: 2.18 Pounds
Maximum Power: 800 Watts
Item Torque: 400 Inch Pounds
Drill Type: Hammer Drill
Is Electric: Yes
UPC: 045242637300
Global Trade Identification Number: 00
Manufacturer: Milwaukee Electric
Part Number: 3404-20
Item Weight: 2.18 pounds
Item model number: 3404-20
Is Discontinued By Manufacturer: No
Wattage: 12 watts
Item Package Quantity: 1
Number Of Pieces: 1
Special Features: Compact, Lightweight
Batteries Included?: No
Batteries Required?: No
Battery Cell Type: Lithium Ion
Warranty Description: Manufacturer Warranty
Date First Available: November 16, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 19
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
After my previous drill just decided to stop work out of the blue i wanted to get a better drill with more power and durability and my girlfriend suggested the milwaukee brand because the trade men that does work on our house usually uses that brand and i search and found this little monster i bought it, it might have been a little pricey for me but trust it is worth every penny BEST DANG DRILL I HAVE EVER DONE HAD!!! if your a work man, do a lot of home repairs your self or just do a lot of DIY this drill is a must have just get a charger and two batteries and you will be good… Power - Awesome Speed - Awesome Functionality - Awesome If your looking for a great drill…STOP RIGHT HERE…THIS IS A MUST BUY DRILL!!!
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Reviewed in the United States on November 3, 2025 by Teddi
This is one of the best 12 volt drills I have bought over the last 40 years. I also bought one as a gift for my sister but she couldn't get the battery in and out so she never used it. For me it is a light version of a hammer drill that I bring when I work out of town and might get surprised on a job where maybe I have to drill into block walls. I used it in Alabama on a hotel job where I ended up drilling 400 holes into concrete block walls to mount thermostats and it did the job and didn't wear out (which I expected it to). It also has two speeds fast speed around 1500 RPM and of course is variable speed. It has a clutch so you can use with hex bit to use as a screw driver. It is a solid purchase. Milwaukee has a lot of very overpriced tools but this is a bargain. They have a whole line of 12 volt tools that are light to medium duty. I have good number of 12 volt and 18 volt Milwaukee tools and this ranks near the top for usefulness. I have at least 12 to 18 batteries for the 12 volt Milwaukee tools and most are the worthless small 12 volt batteries - buy the 5 amp hour or larger 12 volt batteries. Also I have tried aftermarket batteries (Waitley) from Amazon for Milwaukee these knock-off batteries don't seem to work well- they lock out and you have to take them out and put back in. Another problem is they tend to come loose and fall out. The opposite is true of the Milwaukee batteries that are hard to remove. I have 2 or 3 18volt Milwaukee hammer drills and they aren't anything special. My top 3 brands of power tools are Milwaukee, DeWalt and Makita and then everything else. Special shout out to Bosch and maybe Hitachi and of course those expensive European brands. What about Hilti? -overpriced but suppose to be very heavy duty I've only used Hilti's that were already worn out. Other notes: Milwaukee drill bits suck and are overpriced. Bosch makes better drill bits and always use oil or WD40 when drilling metal no matter the brand or you will immediately wear out your bits esp. expensive bits. I have some after market batteries for 18 volt Makita and for Paslode that work fine but I haven't tried any for 20 volt DeWalt yet but I've mostly switched over to Milwaukee cordless. When you buy cordless tools don't be like me and have 50 batteries for 6 to 8 brands of tools stick with a good brand with lots of tools (skip those Harbor Freight deals) unless you aren't doing much but light DIY stuff.
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Reviewed in the United States on June 19, 2025 by DG
I have a mix of Milwaukee and Bosch power tools and they have been great. I don't need my big heavy duty drill all the time and wanted a smaller one for easier handling so I bought this one and have been very happy with it. It's great for the little jobs and tighter spaces. The M12 batteries aren't up to the extended heavy duty use so the M18 drill would be better for that. But this one is great for the small stuff! Very happy I bought it when there was a sale.
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Reviewed in the United States on October 17, 2025 by BRS
Needed a replacement for one I wore out. New model is brushless and very solid. Only thing is no manufacturer warranty if not from authorized seller.
Reviewed in the United States on November 7, 2025 by Paul T.
I recently changed brand loyalty from Team Lime-Green to Team Red (yes, I know. Both TTI and Chinese). I currently have some new M12 tools (all FUEL) and plan to expand to M18 as well. I was amazed by the power for the compact size. The only thing I do not like about the Milwaukee brand is the price. I need to drill into masonry and never acquired a hammer drill over the years. I saw the little 3404-20 in a big box hardware store for about $150. I checked Amazon and found this listing from Tartaglia's Tools - less than a hundred bucks! Too good to be true! I bought it six seconds later. As I waited the two days for delivery, I searched Youtube for examples of the drill being put to the test. It was at this point where this story changes. Many of the videos were testing Genuine Milwaukee tools with counterfeits. Milfauxkee, DeFault and Makinda if you will. Many of the copies came from Amazon unfortunately. So, I started to figure that the "too good to be true" was just that. You get what you pay for. So...when it arrived expected a phony TEMU, Ali Express, Wish hunk of trash. The 3404 arrived in a generic brown box with what appeared to be a genuine Milwaukee operator's manual. The drill itself was solid and looked "real" enough to be a REALLY good copy or the genuine article. I compared the overall feel of the tool, directional button shape and size, coloring of the plastic, fasteners used and sticker placement, color and spelling. I looked for all the "tells" that the videos showed as tip-offs for a counterfeit tool. I found none. Now I wanted to test it out! I took a small 2.0 battery from my 2505-22 kit and a crappy masonry drill bit (1/4") that came with a bit kit i got several years ago. I found a paver, a red brick, concrete footing for my deck and a piece of granite. I drilled into the paver and brick as deep I could go with the 4" bit within 10 - 20 seconds using only medium downward pressure. The concrete footing took a little bit more pressure but wasted no time bottoming out. The chunk of granite, however, only got a half inch deep hole drilled into it using heavy pressure - until the bit snapped. Long story short (too late), this little beast is no phony. This is the real thing. Solid tool. It's got some really good torque and a bit of a kick too. All this using the tiny 2.0 battery. I will definitely cough up the cash for the 5.0 high output for this thing.
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Reviewed in the United States on April 13, 2025 by Steven H
This is certainly a remanned drill. Not new you could see the grease in the seams. Works like a new one from Home Depot for half the price so I’m happy. Worth the price in my opinion. If you’re concerned too much with warranty than buy it from the big box stores. If you do diy this will work just fine.
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Reviewed in the United States on September 30, 2025 by Carlos V
Drill is great! However product came in bubble wrap and has some deep scuff and scratches.
Reviewed in the United States on November 9, 2025 by MightyV11 MightyV11
seems like a genuine product with light scratches .
Reviewed in the United States on October 28, 2025 by dave