Protocase Resources

The information below is intended to be helpful for customers who wish to learn more about enclosure design. Also, please use our online support if you have questions for our expert design staff.


Countersink Tolerances

Countersinking uses a drill press machine to create a conical hole in part or enclosure that matches the angle and head size of a particular flathead screw.


We are able to hold a tolerance of ±0.030” on the outer diameter of a countersink.