The heads of drill bit are conical and the diameter of the head goes from 10,0 mm to 11,0 mm. Below you can first find the shorter drill bits (lihit-52) and underneath the longer drills (Lihit-80). Lihit-52 drills have a total length of 52 mm. Lihit-80 drills have z total lenght of 80 mm.
At this time we only have the standard quality in stock, but if necessary you can also order the teflon grade.