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3M Cubitron II Abrasive Belts - Shaping a new era of grinding performance

3M Cubitron II Abrasive Belts - Shaping a new era of grinding performance

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May 12, 2016

Forget everything you know about grinding with abrasive belts

3M Cubitron II Abrasive Belts have set the world standard for cutting speed and belt life. Now, our expanded line-up of Cubitron II belts gives you more choices of grades, sizes and constructions so you can enjoy the same world-class performance in applications ranging from high pressure automated grinding to low and medium pressure offhand applications.

Cubitron II belts continue to raise the bar for grinding performance and productivity thanks to a breakthrough 3M technology that re-writes the rules for speed, consistency and belt life.

  • Average up to 30% faster cutting on hard-to-grind metals than the next-best competitive belt.
  • Cuts cooler diverts heat from the workpiece and belt to the swarf.
  • Helps eliminate burnishing and heat stress.
  • Lasts up to 4 times as long as conventional ceramic aluminium oxide belts.
  • Now available in more belt sizes, grades and constructions, for applications ranging from high pressure, automated grinding to low and medium pressure offhand operations.


The secret behind the revolutionary performance of new Cubitron II belts lies in their proprietary triangular-shaped abrasive grain. These self-sharpening triangles are designed to fracture as they wear, continuously forming new, super-sharp points and edges that slice cleanly through the metal like a knife, instead of gouging or ploughing. This prevents heat from building up in the workpiece reducing heat-related stress cracks and discoloration. And, because the abrasive itself stays cooler and sharper, it lasts up to four times as long as conventional ceramic grain belts!
Conventional ceramic abrasive grain is irregular and blocky in shape. Instead of a clean, machining action, the grain tends to plough through the metal, causing heat to build up in the workpiece and the abrasive resulting in a slower cut, shorter belt life and undesirable effects, such as burnishing.

he new precision-shaped grain found in 3M Cubitron II Belts combines the advanced material properties of our original Cubitron grain with the precise micro-replicated structures pioneered in 3M Trizact Abrasives. As the triangular shaped grain wears, it continuously fractures to form sharp points and edges. The result is a belt that cuts faster, stays cooler and lasts up to 4 times longer than the next best competitive belt.

How cool is this?

3M Cubitron II Belts are engineered to run cooler, eliminating metal discoloration/oxidation and reducing the chance of heat-related stress cracks.



This photo shows four identical 304 stainless steel bars after nine grinding cycles of ten seconds each. While the three bars that were ground using conventional ceramic abrasive belts show varying degrees of oxidation, the bar ground with a Cubitron II belt is free of burnishing.

No contest

Cubitron II vs. Conventional Grain Competitors

This photo shows three identical 304 stainless steel bars after nine grinding cycles of ten seconds per cycle using equal pressure. In that time, the Cubitron II belt removed more than 50% more metal than the so-called "next-generation" ceramic grain abrasive.


New 3M offer

  • Locally converted. Which means faster turnaround times
  • Smaller minimum order quantities
  • Performance guarantee ordering
  • More competitive pricing on 3M Cubitron II, Scothbrite and Trizact belts


Speak to our customer service team and arrange a trial or demonstration.