1 TCI tricone bit, steel teeth tricone bit,rock bit,milled tooth bit,tci bit,steel tooth bit
2 Certified by ISO9001&API
3 Wide size code
4 Best price
5 Delivery on time
6 High quality and competitive price
7 rubber seal or metal seal
8 including drill rods,drill collar,rerun steel tooth bits, ,used drill bits stock,used mud pumps,etc
9 be used for water well, oil field, underground, construction, geothermal, directional boring.
| Size | IADC Code | |
| In . | Mm | |
| 6 | 152.4 | 136,127,517,537,617,637 |
| 6 1/2 | 165.1 | 126,127,517,537,617,637 |
| 7 1/2 | 190.5 | 126,136,216,227,517,537,617,637 |
| 8 1/2 | 215.9 | 114,124,126,127,517,537,617,637 |
| 9 1/2 | 241.3 | 126,127,517,537,617,637 |
| 9 5/8 | 244.5 | 127,517,537,617,637 |
| 9 7/8 | 250.8 | 127,517,537,617,637 |
| 12 1/4 | 311.1 | 114,126,127,517,537,617,637 |
| 13 5/8 | 346 | 117,126,127,517,537,617,637 |
| 14 3/4 | 374.6 | 124,517,537,617,637 |
| 15 | 381 | 124,517,537,617,637 |
| 15 1/2 | 393.7 | 124,517,537,617,637 |
| 17 1/2 | 444.5 | 114 117 124 126 216 |
| 22 | 558.8 | 124,517,537,617,637 |
| 24 | 609.6 | 124,517,537,617,637 |
| 26 | 660.4 | 114,517,537,617,637 |