DeWalt DCH133B 1 inch
Score: 82/100
Bosch Bulldog Xtreme Max
Score: 88/100Rankings
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 DCH133B is a brushless, lightweight cordless rotary hammer delivering 2.6 Joules of impact energy, ideal for structural connections and anchor installations. While it lacks advanced vibration control and safety features, its compact design and high power-to-weight ratio make it a versatile choice for medium-duty work. It is best suited for professionals needing portable power for concrete drilling in tight or overhead spaces.
| Attribute | | |
|---|---|---|
2.6 joules | 3.25 joulesbest | |
| ↓ lower better | 2.3 kilogramsbest | 6.4 kilograms |
1,500 rpmbest | 1,300 rpm | |
4,500 bpm | 5,100 bpmbest | |
20 volts | 120 voltsbest | |
— | 850 wattsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Impact Energy (joules) | 2.6 joules | 3.25 joules |
No-Load Speed (rpm) | 1500 rpm | 1300 rpm |
Impact Rate (BPM) (bpm) | 4500 bpm | 5100 bpm |
Design & Handling(2) | ||
Tool Weight (kilograms) | 2.3 kilograms | 6.4 kilograms |
Chuck Type | SDS-Plus | SDS-plus |
Power & Battery(3) | ||
Voltage (volts) | 20 volts | 120 volts |
Power Source | Cordless | Corded |
Motor Power (watts) | watts | 850 watts |
Features & Controls(5) | ||
Operating Modes | 3-Mode | 3 Modes |
Vibration Control System | false | true |
Variable Speed Control | true | |
Trigger Type | Variable | |
Safety Features | None | KickBack Control |
General & Warranty(2) | ||
Warranty Period | 3 Years | 1 Year |
Included Accessories | DCH133 Rotary hammer, 360° Side handle, Depth rod | Auxiliary Handle, Depth Gauge, Carrying Case |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors highlight the DCH133B's impressive power-to-weight ratio, noting that its 2.6 Joules of impact energy makes it ideal for structural connections, rod hanging, and mechanical anchors. Editors praise the German-engineered mechanism for its reliability and the brushless motor for extending runtime. While it is commended for its compact design and ability to perform tasks quickly, some analogs note that it trades advanced safety and vibration control features for affordability and portability.
Everyday users frequently praise the tool for its ability to blast through concrete with speed comparable to corded models, making it highly effective for anchors and brackets. The lightweight design is a major plus for overhead work, though users note that runtime is heavily dependent on using 6Ah or larger batteries. Recurring complaints focus on the lack of vibration control, which leads to hand fatigue after extended use, and occasional slipping of the side handle in wet conditions.
“Blasts through concrete fast-2.6J feels like corded power”
“Lightweight for overhead work; great runtime on 6Ah packs.”
“Vibration is noticeable without SHOCKS-hands tire after 30+ holes”
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.
