Our 3M Diamond Polyimide Wheel 685PN is used in the production and sharpening of carbide cutting tools. This general purpose wheel is designed to give you the best balance of form retention and the free-cut rate when used with water based lubricants.
Arbor holes are made to customer specifications
Designed to provide the best form retention and longest wheel life
Diamond abrasive capable of removing stock or grinding forms on tungsten carbide, cemented carbide, and ceramic work pieces
Durable polyimide bond resists deterioration from heat, extending the life of the abrasive wheel
Various wheel designs are available for gashing, primary and secondary relief and end work