How long does it take to drill rock?

The time it takes to drill through rock depends on a number of factors, including but not limited to the following:

1. The hardness and characteristics of the rock:

The harder it is, the longer it may take to drill.

2. the depth and diameter of the drill hole:

The deeper the depth and the larger the diameter, the longer the time required.

3. Drill bit type and performance:

An efficient drill bit will reduce drilling time.

4. Power and performance of the drill:

The higher the power, the faster the drilling speed is likely to be.

5. operator experience and skill:

Skilled operators can improve efficiency.

6. geological conditions:

Such as the complexity of the formation.

7. Obstacles during drilling:

Such as cracks and interlayers in the rock.

In general, it is not possible to give a simple indication of the exact time required to drill a rock. In practice, it needs to be assessed and predicted on a case-by-case basis.