Busch Fig. 411CT Twincut Concave Cone Cup Bur Kit Set of 16 Burs 0.80mm-2.30mm Jump and Split Rings Sweep mode delivers even sound

Sweep mode delivers even sound field distribution across the bath for consistent removal of dirt and grease — ideal for most jewelry cleaning applications and set as the default

Fine mesh construction allows full solution circulation

4 grams for balanced

stable operation

494 Cylinder Finishing Bur – 1

Busch Fig. 411CT Twincut Concave Cone Cup Bur Kit Set of 16 Burs 0.80mm-2.30mm Jump and Split Rings Sweep mode delivers even soundCup burs are primarily used by jewelers for finishing and rounding the tops of prongs during stone setting. This kit brings together the complete Busch Fig. 411CT series in a single convenient set, covering the full size range from 0. 80 mm to 2. 30 mm. The concave cone shape of the 411CT distinguishes it from the traditional concave 411T. Where the 411T leaves a more rounded profile on prongs, the 411CT's sharply sloped concave cone geometry produces