1.Casing bushings
CU, CUL, CB and etc. Casing Bushings can handle casings from 2.3/8 to 30inch O.D.. Type CU & CUL are solid bushings and Type CB are split bushings. They are designed and manufactured according to API Spec 7K.
2.Master Bushing Accessories
1) Bit Breaker Adapter Plates are installed inside the master bushing drive pin holes and provide a 13 9/16 inch square hole to connect Bit Breakers. They are used for type MPCH, MSPC, MDSP master bushing and MSP master bushing. P/N 1816 used for 23-49 1/2 inch master bushing; P/N 1815 used for 17 1/2-21 inch master bushing.
2) Lifting Slings for removing and installing bushings and insert bowls.
With 2 hooks P/N 1021 for removing and installing insert bowls.
With 4 hooks P/N 6699 for removing and installing master bushings.
3) Bit Breakers are mostly used for screwing standard 3-cone bit
3.Master bushings
Master bushings and insert bowls sizing from 17.1/2 to 49.1/2inch. They are cast with high-quality alloy steel and the sizes conform to API Spec 7K. There are two types, pin drive and square drive. API standard rotary slips, drill collar slips, casing slips and roller kelly bushings can be contained in them.
4.Roller Kelly Bushings
Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
