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 specifi cations
| Type |
Hole(in) |
Thread API |
O.D.(mm) |
I.D.(mm) |
O.D. on each end(mm) |
O.D. on each end(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 | |
