How to countersink a screw

Learn how to install wood screws so they sit flush with the surface using a special drill bit called a countersink.

Flathead woodscrew are supposed to fit flush with the wood surface, but driving them fully can be tough, even with a pilot hole. Here’s how to make it easy using a countersink drill bit. This bit makes it possible to drill holes that make it easy to drive the screw so it fits and looks just right.