联系人 Mr. eathen
11, yantai, Other
**7
Soft formations Steel Bit
Rubber sealed bits are sealed by special type "O". In the condition
of the normal rotary speed, they can stand high bit pressure. The
bore surface of the cone has been treated with special technique in
order to improve sliding motion of the bearing. And every
performance is improved greatly.
**7, **7
Soft - medium hard formations Steel Bit
Rubber sealed bits are sealed by special type "O". In the condition
of the normal rotary speed, they can stand high bit pressure. The
bore surface of the cone has been treated with special technique in
order to improve sliding motion of the bearing. And every
performance is improved greatly.
| No. | Product line | Type | IADC | REG | CBM |
| 1 | RB 7 7/8 XXX | 7 7/8" | **7, **7 | 4 1/2" | **0X**0X**0 |
| 2 | RB 8 1/2 XXX | 8 1/2" | **7, **7, **7 | 4 1/2" | **0X**0X**0 |
| 3 | RB 8 3/4 XXX | 8 3/4" | **7, **7, **7 | 4 1/2" | **0X**0X**0 |
| 国家: | China |
| 型号: | 127, 447, 537 |
| 离岸价格: | 获取最新报价 |
| 位置: | yantai |
| 最小订单价格: | - |
| 最小订单: | 1 |
| 包装细节: | - |
| 交货时间: | - |
| 供应能力: | 1 |
| 付款方式: | - |
| 產品組 : | - |
