
DeWalt DCH273B
Score: 85/100
Milwaukee M18 Fuel 2912-20
Score: 85/100Rankings

The DEWALT DCH273B is a compact, cordless rotary hammer featuring SHOCKS vibration control and OSHA compliance, making it ideal for professional use in tight spaces. While its 2.1 Joules of impact energy is modest, the vibration reduction and safety features offset this for many users. It is best suited for electricians and plumbers who prioritize comfort and compliance over raw power.

The Milwaukee 2912-20 is a high-performance cordless rotary hammer featuring a brushless motor and class-leading speed for concrete drilling. Its main trade-off is the higher cost and the need to purchase batteries separately, along with a weight that may cause fatigue. It is best suited for professional contractors needing cordless mobility without sacrificing power.
| Attribute | ![]() | ![]() |
|---|---|---|
2.1 joulesbest | 2 joules | |
| ↓ lower better | 2.7 kilogramsbest | 3.42 kilograms |
— | 1,330 rpmbest | |
— | 4,800 bpmbest | |
20 voltsbest | 18 volts | |
— | 8 wattsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Impact Energy (joules) | 2.1 joules | 2.0 joules |
No-Load Speed (rpm) | rpm | 1330 rpm |
Impact Rate (BPM) (bpm) | bpm | 4800 bpm |
Design & Handling(2) | ||
Tool Weight (kilograms) | 2.7 kilograms | 3.42 kilograms |
Handle Type | L-Shape | In-line D-Handle |
Power & Battery(2) | ||
Voltage (volts) | 20 volts | 18 volts |
Motor Power (watts) | watts | 8 watts |
Features & Controls(6) | ||
Operating Modes | 3-Mode | 3 |
Vibration Control System | true | false |
Variable Speed Control | true | |
Trigger Type | Variable | |
Built-in LED Light | true | |
Safety Features | OSHA Compliant | AUTOSTOP, REDLINK PLUS |
General & Warranty(2) | ||
Warranty Period | 3 Years | 5 Years |
Included Accessories | 360° side handle, depth rod | Side Handle, Depth Rod |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the DCH133B's exceptional power-to-weight ratio, making it ideal for structural tasks such as rod hanging, beam anchorage, and clip installation. The 2.6J impact energy is noted for matching corded performance, while the lightweight design is praised for overhead work. However, experts note it lacks the advanced vibration control and safety features of higher-end models, positioning it best for light-to-medium duty applications rather than heavy industrial chipping.
Everyday users and professionals praise the tool for its compact access and reliability in drilling anchor holes in masonry. The cordless nature is frequently highlighted as a major benefit for mobility. Common complaints include noticeable vibration without SHOCKS technology and rapid battery drain during prolonged chipping. Users also note that the total weight, including the battery, can become tiring during extended use.

“Compact access and anchor hole drilling in masonry”

“Reliable cordless freedom without cords”




Professional reviewers highlight the Milwaukee 2912-20 for its class-leading speed and power, noting that it drills faster than many corded competitors.
Everyday users and professionals praise the tool for its consistent power that matches corded tools and its long battery life.