289 Bearing Guided Core Box Cutter

A bearing-guided core box router bit is a type of router bit designed for creating concave or rounded interior edges and profiles in woodworking. This type of router bit is commonly used to shape the inside of wooden boxes, hollow out curved surfaces, and create decorative moldings with a concave or rounded profile. The key feature of this router bit is the bearing at the top, which acts as a guide and allows for precise control and repeatability when shaping the workpiece.