3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1V1 4-.375-.375-.7874 B220 164PL V45 Min Qty Order:1 while all other grades feature

while all other grades feature harder and more durable aluminum oxide

3M Precision-shaped grain engineered to cut faster than competitive ceramic products

Contains a Hook and Loop backing that easily mounts to 3M™ Hook and Loop back up pads (sold separately)

3M SKU: 7100217450

3M SKU: 7000118217

3M™ Polyimide Hybrid Bond CBN Wheels and Tools, 1V1 4-.375-.375-.7874 B220 164PL V45 Min Qty Order:1 while all other grades feature3M SKU: 7100225729 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