
DeWalt DCH133B 1 inch
Score: 82/100
FormiPow Rotary Hammer Drill
Score: 78/100Rankings

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.

The FormiPow SDS Plus Rotary Hammer is a lightweight, cordless tool compatible with DeWalt 20V batteries, featuring a 1250W brushless motor and 3 Joules of impact energy. Its key strength is its compact size and vibration control, making it easy to handle in tight spaces. It is best suited for DIYers and light-trade professionals needing portability for anchor drilling and small concrete holes.
| Attribute | ![]() | ![]() |
|---|---|---|
2.6 joules | 3 joulesbest | |
| ↓ lower better | 2.3 kilograms | 1.8 kilogramsbest |
1,500 rpmbest | — | |
4,500 bpmbest | — | |
20 voltsbest | 20 voltsbest | |
— | 1,250 wattsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Impact Energy (joules) | 2.6 joules | 3 joules |
No-Load Speed (rpm) | 1500 rpm | rpm |
Design & Handling(1) | ||
Tool Weight (kilograms) | 2.3 kilograms | 1.8 kilograms |
Power & Battery(1) | ||
Motor Power (watts) | watts | 1250 watts |
Features & Controls(5) | ||
Operating Modes | 3-Mode | 2 |
Vibration Control System | false | true |
Variable Speed Control | true | |
Built-in LED Light | false | |
Safety Features | None | Overload Clutch, Thermal Protection |
General & Warranty(2) | ||
Warranty Period | 3 Years | |
Included Accessories | DCH133 Rotary hammer, 360° Side handle, Depth rod | Tool, 3 SDS-Plus drill bits, storage 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 DeWalt-style rotary hammers for exceptional portability and performance in light-to-medium concrete tasks, highlighting compact size and vibration control systems.
Everyday consumers praise the tool for being light, powerful enough for small jobs, and convenient due to battery compatibility. Recurring complaints focus on the lack of chipping mode and struggles with larger bits.