Busch Fig. 411CT Twincut Concave Cone Cup Bur Kit Set of 16 Burs 0.80mm-2.30mm Badeco rigid-spiral construction that maintains its

rigid-spiral construction that maintains its shape and maximizes the suction generated by your dust collector motor from end to end

such as ring blank size strips

3mm — Thickness: ¼" / 6

Measures up to 2000°F (1080°C) — suitable for burnout ovens and casting kilns

This ensures the cutting edge is maintained accurately every time

Busch Fig. 411CT Twincut Concave Cone Cup Bur Kit Set of 16 Burs 0.80mm-2.30mm Badeco rigid-spiral construction that maintains itsCup 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