The drilling reamer is used for reaming in drilling operation, especially used for the function of stabilization in drilling of the abrasive formation. It is a very popular tool which is suitable for hole with range from 6 1/8" to 26". Additionally, it can be used to different hole when equipped the same body with bearing block and roller.
Technical parameters and specifications
Type | Hole (in) | Thread API | O.D. (mm) | I.D. (mm) | O.D. on each end (mm) | Roller diameter (mm) | Roller Length (mm) |
JKQ155 | 6 1/8 | 3 1/2IF | 155 | 38 | 121 | 51 | 200 |
JKQ206 | 8 1/8 | 4IF | 206 | 38 | 160 | 66.7 | 200 |
JKQ212 | 8 3/8 | NC46 4 1/2REG | 212.7 | 44 | 160 | 70 | 200 |
JKQ215 | 8 1/2 | NC50 4 1/2REG | 215.9 | 44.5 | 165 | 70 | 250 |
JKQ244 | 9 5/8 | NC50 | 244.5 | 57 | 178 | 79.4 | 250 |
JKQ311 | 12 1/4 | 6 5/8REG | 311.2 | 71 | 203 | 101.6 | 300 |
JKQ444 | 17 1/2 | 7 5/8REG | 444.5 | 76 | 228 | 140 | 350 |
JKQ660 | 26 | 7 5/8REG | 660.4 | 76 | 254 | 178 | 400 |
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