Most expensive and longest lasting. Maintains sharp edges. For use at high speeds.
Cylinder Bur
Rotary File, Ring File
The straight sides of this bur make it a good alternative to a file, especially when removing large amounts of material. Large diameter cylinder burs (up to 1 /2” dia.) are primarily used for grinding the insides of ring shanks. Also available with a rounded end.
Cone Bur
Round Cone, Square Cone
The standard cone bur has a straight taper that comes to a point at its tip. It is useful for enlarging and deburring holes and, in fl ush setting, for repositioning a hole before refi ning the seat. Cone burs are also available with a rounded or fl at end.
