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Products
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.
Bushing model |
Applicable turntable(in) |
lining |
Clamping pipe diameter(in) |
MSS分体 |
17.1/2 |
- |
2.3/8-8.5/8 |
18 |
|||
20.1/2 |
|||
23 |
|||
27.1/2 |
|||
MSS整体 |
17.1/2 |
1011 |
2.3/8-7.5/8 |
1024 |
2.3/8-8.5/8 |
||
20.1/2 |
1011 |
2.3/8-7.5/8 |
|
1024 |
2.3/8-8.5/8 |
||
22 |
1011 |
2.3/8-7.5/8 |
|
1024 |
2.3/8-8.5/8 |
||
23 |
1011 |
2.3/8-7.5/8 |
|
1024 |
2.3/8-8.5/8 |
||
27.1/2 |
1022 |
2.3/8-7.5/8 |
|
1025 |
2.3/8-8.5/8 |
||
1026 |
9.5/8-10.3/4 |
||
MDSP分体 |
17.1/2 |
- |
2.3/8-8.5/8 |
20.1/2 |
2.3/8-8.5/8 |
||
MSPC整体 |
20.1/2 |
Bowl 1809 |
2.3/8-8.5/8 |
Bowl 1902 |
9.5/8-10.3/4 |
||
Body only 1805 |
11.3/4-13.3/8 |
||
23 |
Bowl 1810(No3) |
2.3/8-8.5/8 |
|
Bowl 1904(No2) |
9.5/8-10.3/4 |
||
Bowl 1903(No1) |
11.3/4-13.3/8 |
||
27.1/2 |
Bowl 1810(No3) |
2.3/8-8.5/8 |
|
Bowl 1904(No2) |
9.5/8-10.3/4 |
||
Bowl 1903(No1) |
11.3/4-13.3/8 |
||
MSP分体(销驱动) |
27.1/2 |
- |
2.3/8-8.5/8 |
MPCH |
37.1/2 |
Bowl 6608(No3) |
2.3/8-8.5/8 |
Bowl 6609(No2) |
9.5/8-10.3/4 |
||
Bowl 6610(No1) |
11.3/4-13.3/8 |
||
49.1/2 |
MPCH37.1/2+Bowl 6608(No3) |
2.3/8-8.5/8 |
|
MPCH37.1/2+Bowl 6609(No2) |
9.5/8-10.3/4 |
||
MPCH37.1/2+Bowl 6610(No1) |
11.3/4-13.3/8 |

Nantong Shenglang Petroleum Technology Co., Ltd.
Our company will be committed to continuously improving product production processes and quality, and continuously developing new products to maintain market competitiveness. Moving in the direction of modern enterprises with time. With the corporate tenet of "sincerity, pragmatism, quality, and efficiency", we wholeheartedly serve people from all walks of life.
Address: North side of Yalujiang Road, Rudong Economic Development Zone
phone: 013862779298 013862783628
email:rdwjs@163.com