| 出生地 |
Henan China (Mainland) |
| 牌子的名字 |
Henan Zhongmei |
| 模式的数量 |
60MM |
| 类型 |
钻头 |
| 机器型号 |
钻探工具 |
| 处理类型 |
建立 |
SIZE(inch) IADC CODE PIN SIZE(inch) WEIGHT(ibs) 5 1/8 IADC216 3 1/2 29.7 5 1/2 IADC126 3 1/2 29.7 6 1/4 IADC126 3 1/2 37.4 6 1/2 IADC126 4 1/2 37.4 7 1/2 IADC121, 126,131,136,214,231,341 4 1/2 61.6 7 7/8 IADC116 4 1/2 68.2 8 1/2 IADC116,117,121,125,131,134,135, 136,211,214,231, 4 1/2 77 8 3/4 IADC117 4 1/2 83.6 9 7/8 IADC114,116,126,134 6 5/8 121 10 5/8 IADC121,126,211,231 6 5/8 147.4 11 5/8 IADC115,121,124,136,211,214 6 5/8 180.4 12 1/4 IADC115,116,124,136,314 6 5/8 193.6 13 3/4 IADC115 7 5/8 264 15 1/2 IADC115,215,315 7 5/8 396 17 1/2 IADC115,215,315 7 5/8 572 All models listed above are also available in designs for use in air circulation systems. When ordering, please sepcify the type circulation system to be used. Available in regular circulation with or jet circulation with replaceable nozzle. If you have any questions, please email us: