A full hydraulic core drill is a drilling machine powered entirely by hydraulic systems, using pressurized fluid to drive the drill bit and other components. Unlike traditional mechanical drills, hydraulic core drills offer stepless speed adjustment, high torque, and precise control over drilling pressure. This makes them ideal for drilling deep, accurate holes in various materials, f... https://www.wuxipolysource.com/dual_purpose_diesel_and_electric_full_hydraulic_core_drill_show/107.html