3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1V1, 4X1/4X1-1/4, X=1/4, V=45 B180 184PN - MMMPBBW21900 Signs 3M SKU: 7010360133

3M SKU: 7010360133

3M SKU: 7010494229

and scratch refinement on metal

3M SKU: 7100210637

3M SKU: 7100168050

3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1V1, 4X1/4X1-1/4, X=1/4, V=45 B180 184PN - MMMPBBW21900 Signs 3M SKU: 70103601333M SKU: 7010495061 Lead Time: ~40 days The 3M CBN Polyimide Wheel 184PN is used to generate the flute which is the helical or straight groove in the body of the cutting tools made of tool steel and high speed steel. The polyimide bond wheel construction offers excellent form retention and increased thermal stability under higher temperature grinding operations. Arbor holes are made to customer specifications, so you get exactly the size you need.