... drilling casing extracting 40 -200mm, 600KN, 800KN CST Casing Extractor is a special purpose equipment for extracting the casing pipe ... , diamond core drilling, water well drilling etc.CST Casing Extractor is composed of Hydraulic Oil Station, Hydraulic Cylinders, Stand ... , easy for carrying and transportation. This allows the casing extractor good for use in tunnels, civil construction site, slope ...