Busch Carbide Ram Roller Burnishers

Genuine Busch carbide ram rollers for hammering out porosity from gold, platinum and silver. These long lasting cylindrical burnishers are a fast and efficient way of removing porosity, scratches and fire scale from precious metal castings. Mounted on 3/32" (2.35mm) mandrels. Maximum working speed is 10,000 rpm. Made in Germany.

Choose from 2 types:

• BAU118.470  Faceted with 22 Faces (RR426M)
• BAU118.471  Faceted with 36 Faces  (RR426F)