Busch Fig 446AU Carbide 70 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Bur Size:1.00mm 5% ruthenium 14K White Gold
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Busch Fig 446AU Carbide 70 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Bur Size:1.00mm 5% ruthenium 14K White GoldSold by the piece, Busch Fig 446AU carbide 70 hart burs are designed for cutting clean, accurate stone seats in prongs on precious and hard metals. The sharp carbide blades bite smoothly into the metal, providing a controlled, predictable feel at the handpiece. Features 70 hart profile engineered specifically for cutting prong seats for stone setting. Carbide construction for extremely long service life compared to steel or tungsten vanadium burs.
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