Milwaukee 3404-20 M12 FUEL 1/2" Hammer Drill 3404-20 – Compact, High-Power Subcompact Drill with Brushless Motor & All-Metal Chuck (Bare Tool)
Milwaukee 3404-20 M12 FUEL 1/2" Hammer Drill 3404-20 – Compact, High-Power Subcompact Drill with Brushless Motor & All-Metal Chuck (Bare Tool)
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Milwaukee 3404-20 M12 FUEL 1/2" Hammer Drill 3404-20 – Compact, High-Power Subcompact Drill with Brushless Motor & All-Metal Chuck (Bare Tool)

4.5 stars out of 144 reviews
(4.5)|
144 ratings

Key item features

  • Powerful Performance: Model 3404-20 is Milwaukee's most powerful subcompact 1/2" hammer drill, delivering unmatched power and speed.
  • Brushless Motor: Equipped with a POWERSTATE Brushless Motor for superior speed and performance under load.
  • Compact Design: At only 5.9 inches in length, it is the shortest in its class, providing excellent access in tight spaces.
  • Advanced Protection: Features REDLINK PLUS Intelligence for advanced thermal and overload protection, ensuring optimal performance.
  • Durable Construction: Built with an all-metal 1/2" chuck and gearcase for maximum durability and longevity.
  • Consistent Torque: Mechanical clutch delivers consistent torque for precise fastening applications.
  • Extended Runtime: Compatible with M12 REDLITHIUM 2.0Ah and 4.0Ah batteries, offering extended runtime and more work per charge.
  • System Compatibility: Part of the M12 System, it works seamlessly with over 125 Milwaukee tools, enhancing versatility.
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Current price is $74.99
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4.677100494233938 stars out of 5, based on 607 seller reviews(4.7)
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About this item

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Customer ratings & reviews

4.5 out of 5 stars
stars144 ratings46 reviews
How item rating is calculated
  1. 5 stars78% (112)
  2. 4 stars10% (14)
  3. 3 stars3% (4)
  4. 2 stars3% (4)
  5. 1 star7% (10)

Reviews summary

Pros
  • : Offers affordable options for a name brand.
  • : Provides a lot of power in a small package.
  • : Has a design for accessing narrow spaces.
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Showing 1-3 of 46 reviews

Dec 17, 2025
Tim
Sold byTools R USDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Milwaukee hammer drill

I got this at an excellent price, new, but not in the original packaging. For the price, not an issue. Very happy to have it. Lots of power, 2 speeds, and the hammer drill function. I have several battery sizes and it will run along time on a 5ahr. I'm a fan of the M12 so this was a great deal for me.

Helpful?3L1G9K3ZNNDV2989084669
Dec 26, 2025
Cliff
Sold byTools R USDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great Power At An Awesome Price

Impressive right out of the box. Bought this hammer drill for concrete and masonry drilling and it does not disappoint! Drilled 1/4 inch holes through 30 year old concrete like butter. Cinder block is also a breeze. Used a quality masonry bit and a 6aH Milwaukee battery. I'm guessing it's good up to 1/2 inch but that's great for such a small comfortable hammer drill.

Helpful?3L1G9K3ZNNDV2989084669
Oct 16, 2025
Robert
Sold byTools R USDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great Value For Great Milwalkee Tool

I learned about the online discounts of Walmart by reading various forums dealing with various wood working tool reviews. What they said about deals on Milwalkee tools online at Walmart changed how I purchased Milwalkee tools and batteries. I'm a huge Milwalkee fan because of their quality, reliability, endurance, and design features. The fact that I can buy certain Milwaukee tools and M12/M18 batteries at anywhere from 1/3 to 1/2 the sale price of the same Milwalkee items at Home Depot makes my day. As for this 1/2" Milwaukee Hammer Drill, it is awesome. Its compact size for getting into those narrow places is great and its torque allows it to place and remove various types of philips screws for sheetrock, star bit screws for general construction, SD connector screws with ease (for example installing a metal roof) and nearly all sizes of bolts given the correct adapters/attachments . Using the Red Lithium High Output XC 5.0 amh M12 battery, it seems I can go all day before I have to swap it out the battery. This is a great must have tool. I would recommend this tool to those thats just want it for the DIY projects and of course to the professionals. I recommend looking at Walmart first prior to purchasing Milwalkee tools and batteries from other locations.

Helpful?3L1G9K3ZNNDV2989084669

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