Drills and hammer drills / Milwaukee M12 FUEL

Milwaukee 3403 drill driver

Researched by Rob Pitman, licensed electrician (Australia) · Specs checked 2026-10-16 · From manufacturer specs, not a hands-on test

Battery platformMilwaukee M12
Ways to buy1 US SKU
Specs published9 of 11

Sold as a bare tool: it needs Milwaukee M12 batteries and a charger, sold separately.

Ways to buy this tool

SKUTypeWhat is in the box
3403-20
"20": Bare tool: no battery or charger
BARE TOOL
  • M12 FUEL 1/2" Drill/Driver [3403-20]
  • Belt Clip

Specs

Ratings are the manufacturer's and are not comparable across brands unless measured the same way.

Max torque (manufacturer rating)400 in-lbs [2]
Max speedLO 0-450 / HI 0-1,550 [2]
MotorPOWERSTATE Brushless [2]
Chuck1/2 in [2]
Speed settings2 [2]
Clutch settings12 [2]
Weight, tool only2.1 lb [2]
Weight with battery2.5 lb [2]
Warranty5 Years (Charger), 2 Years (Battery) [2]
Drive modesNot published
Head lengthNot published

Compare 3403 with another model

Sources

  1. Milwaukee US product page 3403-20, retrieved 2026-10-16
  2. Milwaukee operator manual linked from 3403-20 page, retrieved 2026-10-16

Figures not published by the manufacturer are left out rather than guessed. Found an error? Tell us.