3M™ Resin Bond CBN Wheels and Tools, 1A1, 7X1/2X1-1/4, X=1/2 B220 144BI - MMMRBBW52227

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Our 3M™ CBN Wheel 144BI 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 high cut rates and good form retention during grinding operations.