Busch Fig 446AU Carbide 70 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Sheet Stock & Stampings for limited production runs

for limited production runs

Pippen riffler profile—knife-like shape with bowed sides that curve to a point

Compatible with Quatro systems that have a remote plug outlet on the control panel

and more—with minimal cleanup

seating position

Busch Fig 446AU Carbide 70 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Sheet Stock & Stampings for limited production runsSold 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.