Rig Store

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Master Bushing

Master Bushing

Master bushings

Our company can manufacture 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.

Model
Rotary table size(in)
Insert
bowl
Tubulars OD(in)
MSS(Solid)171/2—23Insert bowl 101123/8-75/8
Extended insert bowl 102423/8-85/8
271/2Insert bowl 102223/8-75/8
Extended insert bowl 102523/8-85/8
Insert bowl 102695/8-103/4
Insert bowl 2002113/4-133/8
MSS(

Split)

171/2—271/223/8-75/8
MSPC(Solid)201/2-221/2Insert bowl 180923/8-85/8
Insert bowl 190295/8-103/4
Master bushing1805-1113/4-133/8
Master bushing19333113/4-133/8
23-271/2No.3 Insert bowl 181023/8-85/8
No.2 Insert bowl 190495/8-103/4
No.1 Insert bowl 1903113/4-133/8
MDSP(Split)171/2-201/223/8-85/8
MSP(Split)271/223/8-85/8
MPCH371/2No.3 Insert bowl 660823/8-85/8
No.2 Insert bowl 660995/8-103/4
No.1 Insert bowl 6610113/4-133/8
491/2MPCH371/223/8-133/8

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