How to choose different waterways configurations of core drill bits?

3 Important Factors

• Waterway shape

There are many types of waterway shapes, depending on the manufacturer. You can choose from the tried-and-true standard options that have been around for many years, as well as other options such as pie, turbine pie and cyclone. They can be regular or deep, lateral and, in some cases, blocked.

• Waterway width

It depends on the type of ground you will be drilling.

Wider channels should be considered when drilling in softer, loose ground. When drilling into harder, more suitable ground, you should consider narrower waterways.

• Number of waterways

In order to get more cutting power from the bit at a lower bit weight (WOB), adding more water channels to the configuration should be considered.

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