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Master Bushing
Our company produce the master bushings and insert bowls with the size from 171/2 to 371/2 inch. They are cast with high-quality alloy steel and the sizes conform to API Spec 7K. There are two kinds of type. pin drive and square drive. API standard rotary slip, drill collar slip, casing slip or roller Kerlly bushing can be contained in them.
|
Bushing type |
Rotary table size (in) |
Hand tubular OD (IN) |
|
|
MSS |
Square Drive（separate） |
17 1/2（18） |
2 3/8-8 5/8 |
|
|
|
20 1/2 |
|
|
|
|
23 |
|
|
|
|
27 1/2 |
|
|
|
Square drive（integrate） |
17 1/2 |
|
|
|
|
20 1/2 |
|
|
|
|
22 |
|
|
|
|
23 |
|
|
|
|
27 1/2 |
2 3/8-10 3/4 |
|
MSAC |
Pin drive（integrate） |
20 1/2 |
|
|
|
|
23 |
|
|
|
|
27 1/2 |
2 3/8-8 5/2 |
|
MDSP |
Pin drive（separate） |
17 1/2 |
|
|
|
|
18 |
|
|
|
|
20 1/2 |
2 3/8-8 5/2 |
|
MSP |
Pin drive（separate） |
23 |
|
|
|
|
27 1/2 |
2 3/8-8 5/2 |
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Contact Us
Our mainly products: drilling rig parts, drilling equipment, solid control system, wellhead equipment, fishing tools, cementing tools.
You are welcome to consult us!
+86-513-87635480 
Emial 
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