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Milwaukee 3404-20 - M12 FUEL™ 1/2-Inch Hammer Drill/Driver

12V - Cordless - POWERSTATE™ Brushless - 400 in-lbs Peak Torque - 1,550 Maximum RPM - Red/Black

Part # : 166970

Manufacturer's Number

Product Description

Our M12 FUEL™ 1/2" Hammer Drill is the Most Powerful Subcompact Hammer Drill, the Most Compact in size, and provides the Fastest Speed Under Load. The POWERSTATE™ brushless motor delivers the most power for the capability to perform the widest variety of applications at high speed for unrivaled subcompact performance. At only 6" in length, this portable drill is the shortest solution in class offering most access into tight spaces. Our REDLINK PLUS™ Intelligence delivers top of the line thermal performance to give our users the Fastest Speed Under Load in order to drill and drive faster than any other subcompact drill. Using our M12™ REDLITHIUM™ 2.0Ah compact and 4.0Ah extended capacity battery packs will deliver more work per charge and more work over the life of the pack than competitive batteries. Our all-metal 1/2" chuck and all-metal gearcase deliver best-in-class durability. The mechanical clutch delivers consistent torque for driving fasteners. Our M12 FUEL™ 1/2" Hammer Drill/Driver is part of the M12™ System which is fully compatible with over 125 solutions.


  • (1) M12 FUEL™ 1/2" Hammer Drill/Driver(3404-20)
  • (1) Belt Clip

Product Specifications

  • Manufacturer's Number: 3404-20
  • Brand: Milwaukee Tool
  • Type: Hammer Drill/Driver
  • Type: Hammer Drill/Driver
  • UPC Number: 045242637300
  • GTIN: 00045242637300
  • Voltage: 12V
  • Length: 6"
  • Width: 2.25"
  • Height: 7"
  • Color: Black and Red
  • Warranty: 2 Years
  • Weight (LBS): 2.2

Applications/Usage & Features


Chuck Type: All Metal Ratcheting

Hammer Function: Yes

Chuck Size: 1/2 in

BPM: 0 - 25,500

Tool Warranty: 5 Years (Charger), 2 Years (Battery)

Power Source: Cordless

Motor Type: POWERSTATE™ Brushless

Handle Type: Standard

Length: 6.0 in

Weight: 2.2 lbs

Height: 7.0 in

Width: 2.25 in

Voltage: 12V

Brushless: Yes

Battery System: M12

Maximum RPM: 1550 rpm

Peak Torque: 400 in-lbs

RPM Range: 0 - 1,550 rpm

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