1. A chamfered hole that is cut to allow for a flat-head screw to sit flush with the surface the material. May be used with or without a pilot hole.
2. A bit that is designed to make a countersunk hole. Comes in varying angles. Also useful with oval-head screws and bolts.
2. A bit that is designed to make a countersunk hole. Comes in varying angles. Also useful with oval-head screws and bolts.
