A countersink is often essential when working with screws to ensure the head of the screw is flush with the surface. Depending on your chosen material, the best countersink bit will enable you to ...

Countersinking offers us two immediate benefits. First, it enables us to put screws into our designs that are flush with the plate. Second, it dramatically cleans up the part’s look and feel.

The clearance hole should be the same diameter, or slightly larger than, the outside diameter of the screw. If you are using a countersunk screw, like this one, you should now use a countersink ...