Bit breaker is mainly used to screw on or off a bit to the bottom of drill string . It can also prevent the bit from dropping into well hole. The structure of it is simple ,the prize of it is cheap and the use of it is safety and reliable . Bit breaker has two driving methods: four-pin driving and fourdirection driving.
Technical parameters and specifi cations
| Type |
Four-pin driving |
Four-direction driving |
| Center distance(mm) |
Diameter (mm) |
Across side(mm) |
| 26"~4 1/8" |
654.05 |
 82.9 |
332or342 | |
