1.Introduction of three phase electric engineering water mill drilling rig Our company specializes in producing 4KW,5KW,5.5KW three-phase electric vertical engineering water mill drilling rig and horizontal water grinding rig and other fully enclosed new drilling rigs, and has various specifications of drill cylinders, high quality cutter heads and complete machine parts in stock to meet different needs of our customers. Water Mill Drilling Rig (also known as water drilling rig, Water Mill Drill) is a tool that can drill holes in reinforced concrete, masonry, rock, ceramics and refractory materials. It has dust-free operation, high efficiency, smooth hole wall, accurate size and light weight. The quality is reliable, the operation is flexible, and the maintenance is simple. The drilling rig is mainly used for building foundation drilling, bridge pier drilling, retaining pile drilling, anti-slide pile drilling, shale drilling, rock drilling, granite drilling, limestone drilling, reinforced concrete drilling, highway Road pile drilling, high-speed road isolation road pile drilling, quality inspection core drilling, tunnel reinforcement, municipal engineering construction, etc. Applicable objects: shale, rock, granite, special ore, limestone, reinforced concrete, etc. 2.The specifications of three phase electric engineering water mill drilling rig Item Parameters Drilling range: 160mm Rated voltage: 380V 380V Rated frequency 50-60HZ Input power 4000W-5500W No-load speed 800r/min