Bosch RH328VC
Score: 85/100
DeWalt DCH133B 1 inch
Score: 82/100Rankings
The Bosch RH328VC is a corded SDS-Plus rotary hammer featuring an 8.0 Amp motor that delivers 2.4 to 2.6 ft-lbs of impact energy in a compact, lightweight package. It is designed for professional drilling and chiseling in concrete, masonry, and stone, offering three operational modes and advanced vibration control for user comfort. Best suited for professional contractors requiring a lightweight yet powerful tool for light-to-medium tasks.
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 | | |
|---|---|---|
2.4 joules | 2.6 joulesbest | |
| ↓ lower better | 3.49 kilograms | 2.3 kilogramsbest |
900 rpm | 1,500 rpmbest | |
4,000 bpm | 4,500 bpmbest | |
120 voltsbest | 20 volts | |
8 wattsbest | — |
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| Attribute | | |
|---|---|---|
Performance(3) | ||
Impact Energy (joules) | 2.4 joules | 2.6 joules |
No-Load Speed (rpm) | 900 rpm | 1500 rpm |
Impact Rate (BPM) (bpm) | 4000 bpm | 4500 bpm |
Design & Handling(2) | ||
Tool Weight (kilograms) | 3.49 kilograms | 2.3 kilograms |
Handle Type | 360° Rotatable | D-Handle |
Power & Battery(3) | ||
Voltage (volts) | 120 volts | 20 volts |
Power Source | Corded | Cordless |
Motor Power (watts) | 8.0 watts | watts |
Features & Controls(5) | ||
Operating Modes | 3 | 3-Mode |
Vibration Control System | true | false |
Variable Speed Control | true | |
Trigger Type | Variable Speed 3-Finger | |
Safety Features | Integral Clutch | None |
General & Warranty(2) | ||
Warranty Period | 1 Year | 3 Years |
Included Accessories | Auxiliary handle, Depth gauge, Carrying case | DCH133 Rotary hammer, 360° Side handle, Depth rod |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors praise the Bosch RH328VC for its outstanding power-to-size ratio, noting that the 8.0 Amp motor delivers significant impact energy in a compact, lightweight package. Editors highlight the tool's vibration control and three-mode versatility as key factors that maximize comfort and performance for demanding tasks like concrete drilling and light demolition.
Search results contain no direct consumer reviews or forum discussions. Inferred praise suggests users appreciate the fast chiseling and drilling speeds, as well as the control features, but there are no recurring complaints or specific user testimonials available in the data.
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”
