Diamond Core Drill Machines Z1Z-CFO2-300 are powerful and efficient drilling machines designed for precise core drilling applications. Featuring two operating speeds, the machine provides 900 rpm for drilling diameters of Ø102–205 mm and 460 rpm for diameters of Ø205–305 mm, allowing users to select the appropriate speed according to the drilling requirement. Equipped with a safety clutch for overload protection, the Z1Z-CFO2-300 delivers reliable performance, enhanced safety, and efficient drilling for professional construction and installation work.