Set of core bits BT0023 1964 mm is used to work with a drill and a vertical drilling machine. Crown drill bits have a stable design and offer high resistance during rotation, allowing you to make the course more calm, and hence facilitate power load master. The cutting teeth of milling cutters of this type provide accurate and clean cut of the material. The set includes 8 sizes with core bits, two adapters and a pilot drill bit. Scope: soft wood, plastic.