Diamond Core Drill Machines Z1Z-CFO2-255 are powerful and versatile drilling machines designed for efficient and precise core drilling applications. Featuring two operating speeds, the machine provides 900 rpm for drilling diameters of Ø102–180 mm and 460 rpm for diameters of Ø180–255 mm, allowing the speed to be matched to different drilling requirements. Equipped with a safety clutch for overload protection, an easy-moving lifter, and durable idler wheels, the Z1Z-CFO2-255 offers reliable performance, enhanced safety, and convenient mobility for professional construction and installation work.