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| Bit size(in) | Working OD | End OD of body | ID | 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 | 15965 | 71 | 16001800 | NC46NC50 | |||||
| 8 1/2 | 215.2 | 159165178 | ||||||||
| 8 3/4 | 222.2 | |||||||||
| 9 1/2 | 241.3 | 178197 | 1600 | NC50 | NC50 | NC50 | ||||
| 9 5/8 | 244.5 | 1800 | 6 5/8"REG | |||||||
| 9 7/8 | 250.8 | |||||||||
| 12 1/4 | 311.2 | 203229 | 76 | 1800 | NC563 1/2" REG | NC566 1/2" REG | NC56 6 5/8"REG | 6 5/8"REG | ||
| 17 1/2 | 444.5 | 229241.3 | 20002200 | NC617 5/8" REG | NC617 5/8" REG | NC617 5/8"REG | NC617 5/8" REG | |||
| 24 | 609.6 | |||||||||
| 26 | 660.4 | |||||||||
| 28 | 711.2 | |||||||||
Integral spiral Blade stabilizer