3M™ Resin Bond CBN Wheels and Tools, 1A1, 4X7/32X1-1/4, X=1/4 B120 164BL - MMMRBBW47521

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3M™ CBN Resin Wheel 164BL is 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, great form retention and increased thermal stability during higher temperature grinding operations.