3M™ Resin Bond CBN Wheels and Tools, 1A1H 8.346-.472-.625-76.2 B180 144DI Matting surface roughness Rz < 2

surface roughness Rz < 2

flat finishing

mill and other marks

and polish surfaces on a wide variety materials such as aluminum

Closed coat provides greater grain density and finer finish on hard woods than open coat abrasives

3M™ Resin Bond CBN Wheels and Tools, 1A1H 8.346-.472-.625-76.2 B180 144DI Matting surface roughness Rz < 23M SKU: 7100193472 Lead Time: ~40 days Our 3M CBN Wheel 144DI is used for grinding primary and secondary relief angles on cutting tools made of tool steel and high speed steel. This resin bonded wheel offers both free cutting action and good form retention, as well as increased thermal stability during higher temperature grinding operations. Arbor holes are made to customer specifications, so you get exactly the size you need. Cubic boron nitride