3M777F Cubitron Abrasive File Belts
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3M™ 784F Cubitron II Abrasive Belt


3M Precision-Shaped Grain is the advanced technology behind our 3M™ Cubitron™ II products. Here’s how it works: Precision-Shaped Grain is designed with sharp, angular structures that continuously fracture to form sharp points.

The Science of Speed.
These clean, sharp points mean an abrasive that slices faster, runs cooler, and lasts much longer than conventional abrasives, which generate excessive heat buildup and have a shorter life. We have observed 3M™ Cubitron™ II products cutting faster and lasting up to 2x longer than some competitive products.

Data sheet