Location: | China (Mainland) |
---|---|
Business Type: | Manufacturer |
Bit size(in) | Working O.D. | End O.D. of body | I.D. | Length | Thread code on both ends | |||
String type | Near bit type | |||||||
Top | Down | Top | Down | |||||
6 | 152.2 | 121 | 51 | 1200 | NC38 | 3 1/2 REG | ||
6 1/4 | 158.7 | |||||||
6 1/2 | 165.1 | |||||||
7 1/2 | 190.5 | 159 | 57 | 1600 | NC46 | 4 1/2 REG | ||
7 7/8 | 200 | |||||||
8 3/8 | 212.7 | 159 165 | 71 | 1600 1800 | NC46 NC50 | |||
8 1/2 | 215.2 | 159 165 178 | ||||||
8 3/4 | 222.2 | |||||||
9 1/2 | 241.3 | 178 197 | 1600 | NC50 | NC50 | NC50 | 6 5/8 REG | |
9 5/8 | 244.5 | 1800 | ||||||
9 7/8 | 250.8 | |||||||
12 1/4 | 311.2 | 203 229 | 76 | 1800 | NC56 6 5/8 REG | NC56 6 5/8 REG | NC56 6 5/8 REG | 6 5/8 REG |
16 | 406 | 229 241.3 | 2000 2200 | NC61 7 5/8 REG | NC61 7 5/8 REG | NC61 7 5/8 REG | NC61 7 5/8 REG | |
17 1/2 | 444.5 | |||||||
24 | 609.6 | |||||||
26 | 660.4 | |||||||
28 | 711.2 |