API oil equipment Square Drive Roller Kelly Bushing
Product Quick Detail
- Minimum Order
- 1
- Place Of Origin
- China
- Packaging
- in paper box or wooden pallet
- Delivery
- 15 Days
Specifications
Square Drive Roller Kelly Bushing
The Square Drive Roller Kelly Bushing provides the following advantages:
1.Pulling out or feeding off string can be done while rotating;
2.Because of its whole construction, it can no fly out and hurts you.
3.The bushing is easily installed into the master bushing, maintaining good alignment;
4.The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate;
5.The Kelly has lower wear and has long life;
| Kelly Size | Bottom seat (mm) | |||
| Inch | mm | Opposite side | Large end of the taper | 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 |
| 4-1/4 | 107.95 | |||
| 5-1/4 | 133.35 | |||
| 4-1/2 | 115 | 332 | 330 | 1:3 |
- Country: China (Mainland)
- Business Type: Trading Company
- Market:Americas,Asia,Europe,Middle East,Oceania,Africa
- Founded Year:2011
- Address:Huanghe
- Contact:Nancy Zhu
