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Made from High Speed Steel (HSS) for durability and long cutting life
Designed to securely hold Swiss made thread dies at the bench
Carbon steel construction for toughness and durability
Featuring a 6½-foot cord
Sections dedicated to jewelry stones and stone-setting methods
Swiss 90 Degree Hart Bur Kit 17 Pieces 0.90mm To 4.00mm Prop 65 - Sulfuric Acid Made from High Speed SteelThis 17 piece kit brings together Swiss made Tungsten Vanadium 90 Hart Burs in a comprehensive size range from 0. 90mm through 4. 00mm purpose built for prong and channel stone setting. Each bur is machine made to ultra high precision tolerances, delivering smooth, clean cuts in precious metal with no chatter or drag. Tungsten Vanadium steel burs are the most widely used burs in the jewelry industry. Unlike High Speed Steel (HSS) burs, which are
