Casing bushing is combined by bushing body and insert bowls. It is suitable for handling casing less than 30 in. There are two types: solid and split. CU and CUL are solid bushing, and CB is split bushing. These series of rotary bushing are suitable for API standard rotary slips, drill collar slips, casing slips,insert bowls and roller bushings, with two structures: solid body and split body. Two drive types are available: pin driven and square driven. It is designed and manufactured according to API Spec 7K Specification for Drilling Equipment.
