... Rotary Bur,Dental Tool Used for finishing the surfaces of precious metals, chrome-cobalt, chrome-nickel alloys.Carbide Bur,Rotary ... Bur,Dental Tool of carbide burrsThese dental carbide burrs feature an extra ... ceramics, and other precious metals.Carbide rotary burrs, cutting tools, burrsMachining various kinds of metal materialInstead of small emery wheels, ...