Square Drive Roller Kelly Bushing
Square Drive Roller Kelly Bushing
Features of Square Drive Roller Kelly Bushing
- API standard;
- Pulling out or feeding off string while rotating;
- Integral structure to prevent flying out;
- Better centrality;
- Easy installation;
- Rolling contact between kelly and rollers for less friction, accurate pressure on bit and longer service life;
- Less labor and faster drilling progress;
- Two types: with/without cover;
Specifications of Square Drive Roller Kelly Bushing:
|
Kelly Size (in./mm) |
Bottom Seat (mm) |
||
|
Opposite Side |
Taper Large End |
Taper |
|
|
3 1/2 / 88.9 |
332 (ZP520 Rotary table) 342 (MR17.5 Rotary Table) |
330 (ZP520 Rotary table) 332 (MR17.5 Rotary Table) |
1:3 |
|
41/4 / 107.95 |
|||
|
51/4 / 133.35 |
|||
|
41/2 / 115 |
332 (ZP520 Rotary table) |
330 (ZP520 Rotary table) |
1:3 |
Pictures of Square Drive Roller Kelly Bushing:
Square Drive Roller Kelly Bushing - Two Types
Square Drive Roller Kelly Bushing Packaged
(For further and more detailed product information, you are welcome to contact us at any time in any of the following ways.)
---------------------------------
Contact:
Aiphen ZHANG
Sales Manager
Chongqing Hi-Sea Marine Equipment Import & Export Co., Ltd.
Address: Unit 20-5, Building of Chongqing General Chamber of Commerce, No.2, Hongjin Street, Yubei District, Chongqing 401147, China
E-mail: oildept@hiseamarine.com
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