Choosing between two Milwaukee M18 cordless drills can feel like a toss-up when both are tool-only, both run on lithium-ion batteries, and both have keyless 1/2-inch chucks. But they serve different roles in a tool bag. The 2904-20 M18 FUEL Hammer Drill/Driver is the higher-priced, higher-power option, with a brushless motor and an auxiliary handle for tough jobs. The 2606-20 M18 18V Compact Drill Driver is the more affordable, easier-to-maneuver tool, built around a brushed motor and a shorter body. The real question is whether you need the muscle of a hammer drill or the convenience of an everyday driver.
Quick verdict
If you want maximum torque and a hammer-drill function, the 2904-20 is the stronger pick. It brings a brushless motor, an auxiliary handle, and the power for tough drilling. If you prefer a tool for everyday holes and you don't plan to drill into concrete or heavy steel, the 2606-20 is the more agile choice.
Comparison at a glance
| Product | Listed Price | Price Bar | Max Torque | Motor | Auxiliary Handle | Condition |
|---|---|---|---|---|---|---|
| Milwaukee 2904-20 M18 FUEL 1/2\" Hammer Drill/Driver | $135.00 | 1,400 in-lbs | Brushless | Yes | New | |
| Milwaukee 2606-20 M18 18V Cordless 1/2\" Drill Driver | $59.99 | 500 in-lbs | Brushed | No | Open box |
Where each product wins
The 2904-20 wins on raw capability. It has a hammer-drill function, a brushless motor, and the power for concrete, masonry, and heavy driving. The 2606-20 wins on maneuverability and everyday practicality.
Product notes
Milwaukee 2904-20 M18 FUEL 1/2\" Hammer Drill/Driver
For heavy-duty projects, this is the tool with the muscle. It includes an auxiliary handle for two-handed control and is built to deliver more power than the compact model. The higher listed price reflects that added performance, and the tool is sold without a battery, so you'll supply your own M18 battery. If your work involves concrete, thick steel, or large driving tasks, the extra power is worth considering. The limitation is simple: you're paying a premium for capability you may rarely tap during light home maintenance. For a weekend do-it-yourselfer, that premium might be better spent on bits and accessories.
Milwaukee 2606-20 M18 18V Cordless 1/2\" Drill Driver
This is the compact option for tight spaces. At 7-1/4 inches long, it's described as the most compact drill driver in its class, making it easy to maneuver in awkward spots. It's listed as open box, so the unit may show signs of prior use. The trade-off is the lower torque output and the lack of a hammer-drill function, which means you shouldn't reach for it when drilling into masonry or thick steel. For typical home maintenance, basic DIY, and most woodworking tasks, that length is a strong selling point. It's the kind of drill you can stow in a drawer without it taking over your entire tool bag.
Final choice by use case
If you regularly drill into concrete, drive large screws, or want a tool that can take a beating, choose the 2904-20 M18 FUEL Hammer Drill/Driver. Its added power and auxiliary handle make it the heavy-duty pick. If your work is mostly wood, drywall, and light metal, the 2606-20 M18 Compact Drill Driver is the more practical choice because of its shorter body and easy maneuverability. The 2904-20 gives you headroom for larger bits and denser materials; the 2606-20 gives you a tool you can bring into confined spaces without hesitation.
