This 1500W Heavy-Duty Rotary Hammer Drill is designed for high-performance drilling in concrete, masonry, and metal applications. Featuring a variable no-load speed of 0-1500 / 0-3000 RPM and a full-load drilling speed of 0-890 / 0-1770 RPM, it delivers precision and power for demanding tasks. With an impact rate of 24,000 / 48,000 BPM, it ensures efficient and rapid drilling through tough materials. The M18 spindle thread and maximum chuck capacity of 162mm provide versatility for various drilling applications. Its 57mm gear neck diameter enhances stability, while the lightweight 4.2kg design reduces fatigue during extended use. Ideal for professionals and DIY enthusiasts, this rotary hammer drill offers durability, precision, and power for heavy-duty tasks.