Bosch Bulldog Xtreme Max
Score: 88/100
Milwaukee M18 Fuel 2912-20
Score: 85/100Rankings
The Bosch GBH2-28L is a lightweight, corded SDS-plus rotary hammer designed for drilling, hammer drilling, and chiseling in concrete and masonry. Its primary limitation is the mandatory 5-hour break-in period required for optimal power. It is best suited for trade professionals needing a lightweight, high-power tool for daily concrete and masonry work.
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 | | |
|---|---|---|
3.25 joulesbest | 2 joules | |
| ↓ lower better | 6.4 kilograms | 3.42 kilogramsbest |
1,300 rpm | 1,330 rpmbest | |
5,100 bpmbest | 4,800 bpm | |
120 voltsbest | 18 volts | |
850 wattsbest | 8 watts |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Impact Energy (joules) | 3.25 joules | 2.0 joules |
No-Load Speed (rpm) | 1300 rpm | 1330 rpm |
Impact Rate (BPM) (bpm) | 5100 bpm | 4800 bpm |
Design & Handling(3) | ||
Tool Weight (kilograms) | 6.4 kilograms | 3.42 kilograms |
Chuck Type | SDS-plus | SDS-Plus |
Handle Type | D-Handle | In-line D-Handle |
Power & Battery(3) | ||
Voltage (volts) | 120 volts | 18 volts |
Power Source | Corded | Cordless |
Motor Power (watts) | 850 watts | 8 watts |
Features & Controls(3) | ||
Operating Modes | 3 Modes | 3 |
Vibration Control System | true | false |
Safety Features | KickBack Control | AUTOSTOP, REDLINK PLUS |
General & Warranty(2) | ||
Warranty Period | 1 Year | 5 Years |
Included Accessories | Auxiliary Handle, Depth Gauge, Carrying Case | Side Handle, Depth Rod |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the Bosch GBH2-28L as a 'legendary Bulldog' built for tough jobsites, highlighting its impressive 5,100 BPM and 1,300 RPM in a lightweight 6.9 lb package. Experts emphasize its exclusive features like KickBack Control and vibration control.
Everyday users commonly praise the tool's robust performance in heavy-duty applications, noting the comfortable D-handle and low vibration levels. However, recurring complaints focus on the mandatory 5-hour break-in period required for optimal power.
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.
