3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1A1 4-.25-.25-1.25 B220 164PL Labeling 3M SKU: 7100220220

3M SKU: 7100220220

3M SKU: 7010493421

3M SKU: 7010290266

3M SKU: 7010493051

3M SKU: 7100262406

3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1A1 4-.25-.25-1.25 B220 164PL Labeling 3M SKU: 71002202203M SKU: 7100238237 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