| 出生地 |
Jiangsu China (Mainland) |
| 模式的数量 |
from95to150 |
| 类型 |
钻头 |
| 机器型号 |
钻井设备 |
| 材料 |
碳化 |
They are manufactured with high quality synthetic diamonds mixed evenly through a tungsten carbide matrix. (During drilling the matrix wears away evenly resulting in continuous exposure of new, sharp diamond points throughout the life of the bit.)Different Crown Shapes is available!!