Powerful and Durable Motor: This rotary hammer drill delivers 3J of impact energy, engineered for fast and precise performance on concrete and metal projects. The heat-resistant motor allows you to work longer without burning out the tool. With a max drilling diameter of 1.1 inch, this high-performance rotary hammer helps boost your productivity and enhance your daily workflow 4-in-1 Functionality: Featuring four easily switchable modes—drill only (for wood and steel), hammer only (for concrete and brick), hammer drill (for heavy-duty tasks), and chisel adjustment—this cordless hammer drill adapts to your project needs. Dual switch buttons extend the tool's lifespan compared to single-switch designs, giving you a more reliable experience High-Speed System: Equipped with a high-efficiency system, this hammer drills for concrete reaches up to 0–1200 RPM and a max impact rate of 0–5300 BPM. Smash through tough surfaces with ease—no job is too big

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