3M™ Resin Bond CBN Wheels and Tools, 1A1, 4X3/8X1.9685, X=3/8 B320 144DI - MMMRBBW49721 Min Qty Order:1 3M SKU: 7100256378

3M SKU: 7100256378

3M SKU: 7100199964

3M SKU: 7100204762

3M SKU: 7100214436

3M™ Resin Bond CBN Wheels and Tools, 1A1, 4X3/8X1.9685, X=3/8 B320 144DI - MMMRBBW49721 Min Qty Order:1 3M SKU: 71002563783M SKU: 7010492181 Lead Time: ~40 days Our 3M CBN Wheel 144DI is used for grinding primary and secondary relief angles on cutting tools made of tool steel and high speed steel. This resin bonded wheel offers both free cutting action and good form retention, as well as increased thermal stability during higher temperature grinding operations. Arbor holes are made to customer specifications, so you get exactly the size you need. Cubic boron nitride