33UN65 Countersink & Center Drill Sets

Bulk orders will be discounted, please contact us.

Center drills consist of a pilot drill and a countersink and are used to create holes at the center of a piece of stock so it can be turned between centers on a lathe. The pilot drill creates a small hole in the stock and the countersink expands the hole, leaving a small gap at the bottom of the hole that helps protect the lathe's centers from damage when the stock is turned on it. These sets contain multiple center drills in a range of sizes.