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5mm holes for pavé setting practice
306 – Swiss Cone Bur 4
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For Busch Fig
Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm Bur Size:2.50mm Keep finished repair jobs lookingThese 90 degree hart burs are precision steel burs for cutting, opening, and refining angular seats and details in jewelry work. At the bench, they feel crisp and controlled where a clean edge matters. Manufactured by Busch to ultra high precision tolerances, Fig. 156C hart burs are a reliable choice for stone setting, seat preparation, and fine detail work across a broad range of sizes. Features 90 degree hart bur profile for precise angular cutting
