
Bosch Bulldog Xtreme Max
Score: 88/100
DeWalt DCH263B
Score: 86/100Rankings

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 DEWALT DCH263B is a compact, brushless 20V MAX SDS-Plus rotary hammer featuring SHOCKS vibration control and OSHA compliance, designed for precision drilling in concrete. It delivers 3.0 Joules of impact energy, making it suitable for mid-duty tasks like rod hanging and beam anchorage. It is best suited for professionals needing portability and safety features without the bulk of corded tools.
| Attribute | ![]() | ![]() |
|---|---|---|
3.25 joulesbest | 3 joules | |
| ↓ lower better | 6.4 kilograms | 0.45 kilogramsbest |
1,300 rpmbest | 1,000 rpm | |
5,100 bpmbest | 4,480 bpm | |
120 voltsbest | 20 volts | |
850 wattsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Impact Energy (joules) | 3.25 joules | 3.0 joules |
No-Load Speed (rpm) | 1300 rpm | 1000 rpm |
Impact Rate (BPM) (bpm) | 5100 bpm | 4480 bpm |
Design & Handling(2) | ||
Tool Weight (kilograms) | 6.4 kilograms | 0.45 kilograms |
Chuck Type | SDS-plus | SDS-Plus |
Power & Battery(3) | ||
Voltage (volts) | 120 volts | 20 volts |
Power Source | Corded | Cordless |
Motor Power (watts) | 850 watts | watts |
Features & Controls(4) | ||
Operating Modes | 3 Modes | 3-Mode |
Variable Speed Control | true | |
Trigger Type | Variable | |
Safety Features | KickBack Control | OSHA Compliant |
General & Warranty(2) | ||
Warranty Period | 1 Year | |
Included Accessories | Auxiliary Handle, Depth Gauge, Carrying Case | 360° Rotating 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 and editors characterize the DEWALT DCH133B and its siblings as lightweight, vibration-reduced tools that excel in speed and efficiency for mid-duty tasks. The DCH263R2 is praised for its dust management and contractor-friendly design, while the DCH273 is noted as a 'miniature powerhouse' with serious punch despite its compact L-shape. Editors highlight the importance of the SHOCKS system and E-Clutch for safety and bind-up prevention in related models.
Everyday users commonly praise the tool for packing a punch despite its small size, noting its ease of handling in tight spaces and reliability for concrete and rod work. Recurring complaints focus on vibration during long jobs, dust buildup without an extractor, and the added weight when batteries and accessories are attached. Users appreciate the mode versatility and battery compatibility but note limitations in runtime for heavy use.

