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SKU 7100287227
Legacy SKU 60440412595
UPC 00068060657473
Product Number 784F

3M Cubitron II Cloth Belt 784F features 3M Precision-Shaped Grain for longer life and a faster, more consistent cut than conventional ceramic aluminum oxide belts. A precise mix of shaped ceramic and premium aluminum oxide delivers optimal cut in medium-pressure grinding and blending applications. The belt also features a waterproof backing and grinding aid.

  • 3M Precision-Shaped Grain blend provides significantly longer life than comparable aluminum oxide belts
  • Proprietary mineral provides consistent, faster results on medium pressure applications, helping to improve productivity and throughput
  • Reduces changeouts and downtime in robotic and pressure-assisted applications
  • Moderately flexible backing provides conformability for grinding and blending both straight and contoured surfaces
  • YF-weight polyester backing is used for Grades 36-80, while lighter XF-weight polyester backing is used for Grades 120-180
  • Grinding aid cools abrasive processes on heat-sensitive alloys
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On it's way to you June 4  


Minimum Order 5 Items
Order Increment 5 Items
  High-Quality Cloth Belt Materials
Product Dimensions
Imperial Metric
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Shipping Dimensions
Weight 25.73599 lb
Length 47.31299 in
Width 11 in
Height 13.9378 in
Color Maroon


  1. What is the intended application for the 3M™ Cubitron™ II Cloth Belt 784F?

    The 3M™ Cubitron™ II Cloth Belt 784F is designed for heavy-duty metalworking applications.

  2. Can you tell me more about the abrasives used in the belt?

    The belt features precision-shaped ceramic grain that cuts faster, lasts longer, and requires less pressure than traditional abrasives.

  3. How many belts come in a case of the 3M™ Cubitron™ II Cloth Belt 784F?

    Each case contains five (5) belts of this particular product.

  4. Is this belt compatible with specific tools or machinery?

    The Film-lok feature on this belt provides easy attachment to power tools equipped with compatible systems.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Outstanding Performance on Medium Pressure Applications

The 3M Cubitron II Cloth Belt 784F is specifically designed for medium pressure industrial applications. It features 3M Precision-Shaped Grain technology, which allows for exceptional cutting speed and self-sharpening during grinding. This belt is made with a blend of ceramic and aluminum oxide, providing cost-effective performance on medium-pressure applications where a full ceramic belt may not be necessary.

The belt is available in coarse grades 36-80, which have a YF-weight backing, and finer grades 120-180, which have a lighter XF-weight backing. Both backing weights offer moderate flexibility and conform well to slight contours and flat surfaces.

Ideal for Robotic Grinding and Degating

In medium and high-pressure applications such as robotic grinding, it is crucial to choose a premium abrasive belt like the 3M Cubitron II Cloth Belt 784F. This belt is known for its fast-cutting and long-lasting performance. The mineral in the belt continuously fractures into sharp edges, ensuring consistent cutting throughout the belt's lifespan. This reduces the need for frequent belt changes and minimizes downtime in robotic cells, maximizing efficiency and allowing for increased production.

Run it Wet or Dry

The 3M Cubitron II Cloth Belt 784F is designed to be used wet or dry. Its water-resistant polyester backing allows for wet grinding, while also providing protection for heat-sensitive alloys such as stainless steel, titanium, nickel alloys, and cobalt alloys. The belt incorporates a grinding aid to help reduce grinding temperatures, preventing heat-related stress cracks and discoloration. Additionally, the abrasive is firmly bonded to the backing with resin, ensuring durability even under high heat and pressure.

The Science of 3M Precision-Shaped Grain Blend

3M Precision-Shaped Grain is a revolutionary abrasive technology developed by 3M. This ceramic mineral is created using a proprietary process that enhances its toughness and hardness. The mineral is then engineered to form uniform triangular-shaped grains that continually fracture into super-sharp points and edges. Unlike conventional abrasives that tend to gouge or "plow," 3M Precision-Shaped Grain slices through the substrate, resulting in a super-fast cut and reduced heat build-up on the workpiece. This helps prevent heat-related stress cracks and discoloration. Furthermore, the cooler and sharper nature of 3M Precision-Shaped Grain ensures its longevity, outlasting conventional abrasives.

Engineered for Demanding Industrial Environments

For over a century, 3M has been a trusted supplier of abrasives to the metalworking industry. With a wide range of minerals, backings, and bonds, 3M offers a comprehensive line of quality coated and bonded abrasives for various grinding and finishing applications. The exceptional cutting speed and long life of 3M Precision-Shaped Grain make it particularly suitable for demanding industrial environments. Trust the 3M Cubitron II Cloth Belt 784F to deliver consistent and uniform results throughout its lifespan on all metals, including heat-sensitive alloys.

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