Le TRICÔNE est un composé de deux cylindres comique avec des dents en acier, un rouleau ou bille en carbure de tungstène.
Le plus commun avec les dents en acier courts ou longs pour un terrain souple ou moyen, les produits en carbure de tungstène pour terrains semi-durs ou résistants comme le rochers. Il est disponible nouveau ou usé.
Tricônes
| DIAMÈTRE BURIN | FORMATIONS SOUPLES | FORMATIONS MOYENNES | FORMATIONS DURES | TYPE DE FILETAGE | Kg | ||||
| pouces | mm | DENTS | |||||||
| 2 7/8 | 73,00 | - | - | NC-2 | NC-1 | NC-1T | NC-1H | 4 THD N-ROD | 1,4 |
| 2 15/16 | 74,60 | - | - | NC-2 | NC-1 | NC-1T | NC-1H | 4 THD N-ROD | 1,4 |
| 3 1/8 | 79,40 | - | - | NC-2 | NC-1 | NC-1T | NC-1H | 4 THD N-ROD | 1,8 |
| 3 | 76,20 | - | - | NC-2 | NC-1 | NC-1T | NC-1H | 4 THD N-ROD | 1,8 |
| 3 1/4 | 82,60 | - | - | NC-2 | NC-1 | NC-1T | NC-1H | 4 THD N-ROD | 1,8 |
| 3 1/2 | 88,90 | - | - | NC-2 | NC-1 | NC-1T | NC-1H | 4 THD N-ROD | 1,8 |
| 3 5/8 | 92,10 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 0,3 |
| 3 3/4 | 95,30 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 2,3 |
| 3 7/8 | 98,40 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 2,7 |
| 4 | 101,60 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 3,2 |
| 4 1/4 | 108,00 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 4,1 |
| 4 1/2 | 114,30 | NC-4 | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 4,5 |
| 4 5/8 | 117,50 | NC-4 | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 3/8 API REG. | 5 |
| 4 3/4 | 120,70 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 7/8 API REG. | 5,9 |
| 4 7/8 | 123,80 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 7/8 API REG. | 6,4 |
| 5 | 127,00 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 7/8 API REG. | 6,8 |
| 5 1/8 | 130,20 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 2 7/8 API REG. | 7,3 |
| 5 5/8 | 149,90 | NC-4 | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 10 |
| 5 7/8 | 149,20 | NC-4 | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 10,5 |
| 6 | 152,40 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 10,5 |
| 6 1/8 | 155,60 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 10,9 |
| 6 1/4 | 158,80 | NC-4 | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 11,8 |
| 6 3/4 | 171,50 | NC-4 | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 14,5 |
| 7 3/8 | 187,33 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 3 1/2 API REG. | 26,3 |
| 7 5/8 | 193,68 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 4 1/2 API REG. | 281 |
| 8 1/2 | 215,90 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 4 1/2 API REG. | 34 |
| 9 | 228,60 | - | NC-3 | NC-2 | NC-1 | NC-1T | NC-1H | 4 1/2 API REG. | 36/52 |