Under what circumstances is it necessary to replace the drill bit?

The following are some common situations where the drill bit needs to be replaced:

1. Severe wear of the drill bit:

The cutting teeth are worn out, affecting drilling efficiency and quality.

2. Drilling difficulty:

The occurrence of slow feed, increased torque, etc. indicates that the drill bit is no longer working properly.

3. Damage to the drill bit:

Such as cutting teeth chipping, cracks in the drill body, etc..

4. Reaching the scheduled drilling depth:

According to project requirements, the drill bit needs to be replaced after completing a specific drilling task.

5. Stratigraphic changes:

When encountering a big difference from the previous stratum, the original drill bit is no longer suitable.