3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1A1, 4X3/8X1-1/4, X=1/4 B220 164PL - MMMPBBW25415 Belts 3M SKU: 7100217449

3M SKU: 7100217449

3M SKU: 7000046730

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3M SKU: 7100224675

3M SKU: 7100225940

3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1A1, 4X3/8X1-1/4, X=1/4 B220 164PL - MMMPBBW25415 Belts 3M SKU: 71002174493M SKU: 7010495073 Lead Time: ~40 days 3M CBN Polyimide Wheel 164PL 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, increased form holding, and increased thermal stability during higher temperature grinding operations. Cubic boron nitride (CBN) resin bonded wheel produces fast cut rates. Designed for better form retention, using water