Bur Assortment Busch 45° Hart Twelve Sizes

Set of 12 sizes 010-031 Busch 45° Hart Burs.

Busch jewelers' burs are made of tungsten vanadium steel. They have 3/32" diameter shanks, are approximately 1-3/4" long and are used with flex shaft machines or micromotors. Long time jewelers' favorite, Busch burs are made in Germany with a reputation for quality. For years, when a jeweler asked for a bur, “Busch” and bur were synonymous.