3M™ CBN Resin Wheel 143BI, 1A1, 12x1x5, X=1/4 B220 143BI-MMMRBBW21438 Tapes 3M SKU: 7100281424

3M SKU: 7100281424

3M SKU: 7100263913

and they perform well on edges

3M SKU: 7100282837

3M SKU: 7100232790

3M™ CBN Resin Wheel 143BI, 1A1, 12x1x5, X=1/4 B220 143BI-MMMRBBW21438 Tapes 3M SKU: 71002814243M SKU: 7100185461 Lead Time: ~40 days Our 3M CBN Wheel 143BI wheels are used for grinding primary and secondary relief angles on cutting tools made of tool steel and high speed steel. This general purpose wheel offers a balance between cut rate and good form retention during grinding operations. Arbor holes are made to customer specifications, so you get exactly the size you need. Best used for grinding high speed steel, tool steels, and ferrous