Busch Fig. 411CT Twincut Concave Cone Cup Bur Kit Set of 16 Burs 0.80mm-2.30mm Jump and Split Rings 4 grams for balanced

4 grams for balanced

and fabricated metal parts

controlled reductions for shaping triangular wire and profile in non-ferrous metals

494 Cylinder Finishing Bur – 1

Cut 5 descriptor for LP1163-6-5 is not specified in source data—confirm with supplier if critical

Busch Fig. 411CT Twincut Concave Cone Cup Bur Kit Set of 16 Burs 0.80mm-2.30mm Jump and Split Rings 4 grams for balancedCup 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