Powerful BL Brushless motor delivers 0-1, 350 RPM, 0-5, 000 BPM and 1.2 ft.Lbs. Of impact energy to handle the most demanding applications. Dust extraction capability with optional OSHA Table 1 compliant on-board dust extractor attachment. Optional extractor is activated by tool and powered by Motor fan blade to maintain concrete Dust suction performance. Efficient HEPA filtration system captures 99.97% of particulates .3 microns and larger. Torque limiting clutch is engineered to prevent gear damage by automatically disengaging gears if the bit binders.
Based on our own experience this rotary hammer tool is powerful and reliable. It effortlessly drills through concrete and other tough materials, and the battery life is impressively long. However, it is a bit heavy and may cause fatigue during extended use. Overall, we highly recommend this tool for anyone in need of a high-quality rotary hammer. .
If you plan to drill holes in a 4" concrete slab, forget rock drills. Job Done in No Time I have both corded (Hitachi) and cordless (Makita) rock drills and they take a long time and with a lot of noise to drill a 1/2 inch hole for an anchor bolt. As soon as I get to this kid, he's going to be like a hot knife through butter.
Pros
Optional vacuum is tool operated and powered by fan blades to protect the concrete Vacuum cleaning efficiency