Busch Fig 446AU Carbide 70 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Polishing Media & Consumables repeatable results in production work

repeatable results in production work

elegant profile well suited for finished jewelry and resale applications

The shelf arms mount to the Foredom Workbench System flex shaft hanger (Part # 134

These onglette-style gravers feature a standard 1/8" round shank and are available in six sizes (#0 through #5) to suit a wide range of engraving and stone setting needs

Busch Fig 446AU Carbide 70 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Polishing Media & Consumables repeatable results in production workSold 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.