Trephine Burs

Special hollow drill for preparation and collection of bone, as well as removal of the implant with the bone. Drills with a special through-hole length of the drill, which is intended for internal cooling of the drill at preparing bone. Made of stainless steel. 470 304 - with an outer diameter and an inner diameter 4mmd 3mmd 470 405 - with an outer diameter and an inner diameter 5mmd 4mmd 470 506 - with an outer diameter and an inner diameter 6mmd 7mmd 470 607 - with an outer diameter and an inner diameter 7mmd 8mmd