3M

3M™ Resin Bond CBN Wheels and Tools, 1F1, 5X.140X.470, X=1/4, R=.070 B120 143BI - MMMRBBW38826

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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.