Model:iadc517
Rock bits are divided intosteel tooth bit and TCI tricone bit. The size is 4 3/4’’, 5 1/2’’, 6’’, 6 1/2’’,7 1/2’’, 8 1/2’’, 9 1/2’’, 10 5/8’’, 11 5/8’’, 12 1/4’’, 13 5/8’’, 14 3/4’’, 151/2’’, 16 1/2’’, 17 1/2’’ etc.. Welcome your inquiry.
Specifications:
| Size | IADC Code | API Regular Pin (in) | |
| in | mm | ||
| 3 7/8 | 98 | 126 617 | 2 3/8 |
| 4 5/8 | 117.5 | 121 241 527 | 2 7/8 |
| 4 3/4 | 120.6 | 241 | |
| 5 5/8 | 142.9 | 121 241 321 537 | 3 1/2 |
| 5 7/8 | 149.2 | 241 321 517 537 547 617 637 | |
| 6 | 152.4 | 211 216 246 437 517 527 537 547 617 637 | |
| 6 1/2 | 165.1 | 517 | |
| 7 1/2 | 190.5 | 121 124 134 217 244 517 527 547 617 | 4 1/2 |
| 7 7/8 | 200 | 121 124 131 134 241 321 517 527 547 617 | |
| 8 1/2 | 215.9 | 114 116 117 121 124 126 127 131 134 137 211 216 217 241 247 321 437 447 517 527 537 547 617 637 837 | |
| 8 3/4 | 222.2 | 127 417 437 447 517 537 617 | |
| 9 1/2 | 241.3 | 117 124 125 127 437 517 527 537 617 637 | 6 5/8
|
| 9 5/8 | 244.5 | 114 121 124 131 134 437 517 527 | |
| 10 | 254 | 126 | |
| 10 5/8 | 269.9 | 127 217 417 517 527 | |
| 11 5/8 | 295.3 | 117 127 137 217 417 517 537 547 | |
| 12 | 304.8 |
| |
| 12 1/4 | 311.1 | 114 115 116 117 121 124 126 131 134 137 211 214 244 437 517 527 537 547 617 637 | |
| 13 5/8 | 346.1 | 114 115 121 124 437 515 517 | |
| 13 3/4 | 349.2 | 114 115 437 517 | |
| 14 3/4 | 374.6 | 136 127 517 527 | 7 5/8 |
| 15 1/2 | 393.7 | 125 215 217 517 537 | |
| 17 1/2 | 444.5 | 435 515 437 517 527 537 547 | |
| 26 | 660.4 | 114 124 134 525 | |
