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SKU 7100284887
Legacy SKU 60440412488
UPC 00638060901649
Product Number 947A

The 3M Cubitron II Abrasive Belt 947A built with 3M Precision-Shaped Grain cuts metal dramatically faster and cooler, and stays sharp longer than conventional ceramic belts. Its X-weight poly-cotton backing is flexible. This belt is optimized for low and medium pressure applications on stainless steel, mild steels, and aluminum.

  • 3M Precision-Shaped Grain slices through metals like a knife rather than gouging or plowing
  • Removes material faster, with less pressure
  • Includes a grinding aid for less grinding friction and cooler cutting
  • Cool cutting action lessens the risk of heat-related damage to workpiece
  • An X-weight poly-cotton backing is optimized for flexibility
  • Lasts up to 4 times longer than conventional ceramic belts
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On it's way to you June 4  


Minimum Order 50 Items
Order Increment 50 Items
  High-Quality Cloth Belt Materials
Product Dimensions
Imperial Metric
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Shipping Dimensions
Weight 7.752 lb
Length 14 in
Width 14 in
Height 7 in
Color Maroon


  1. Sure, here are some questions and answers for you

    What is the grit size of 3M™ Cubitron™ ll Cloth Belt 947A?

  2. The grit size of this belt is 120+.

    What is the backing weight of the 3M™ Cubitron™ II Cloth Belt 947A?

  3. It has an X-weight backing.

    How long is the cloth belt in this case?

  4. Each belt measures 2 inches by 72 inches.

    Can you explain what Sine-lok means on these belts?

  5. Sine-lok refers to the unique attachment system that allows for quick and easy changes on compatible tools.

    How many belts come in a single case of the Cubitron II Cloth Belt 947A?

  6. There are a total of 50 belts included in each case.

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.
Fast and Flexible

A closed coat and a grinding aid make our 3M Cubitron II Abrasive Belt 947A an outstanding option for low to medium pressure applications on heat sensitive metals. The unique structure of the abrasive diverts heat to the swarf, keeping both the belt and workpiece cooler. We now offer this belt in grades 40+ (made to order), 60+, 80+, and 120+, providing an improved solution for finer finishing applications.

Cutting Edge Performance for Low and Medium Pressure Sanding

The 3M 947A is a semi-flexible Cubitron II belt with an X-weight poly-cotton backing. The X-weight cloth provides flexibility and tensile strength, making it ideal for various applications. This belt is available in a range of small sizes, allowing operators to easily maneuver around intricate parts. It is a great option for low-and-medium-pressure offhand operations and can be used with backstands, file belt sanders, inline sanders, and stroke sanders.

How 3M Precision-Shaped Grain Works

3M Precision-Shaped Grain is designed to continuously fracture, forming sharp points and edges that effortlessly "slice" through metal. Unlike conventional ceramic abrasive grain, which tends to "plow" through the metal and generate heat, our Precision-Shaped Grain cuts faster, lasts longer, and stays cooler. This innovative technology prevents heat damage to the workpiece and the abrasive, resulting in a faster cut, longer belt life, and superior performance.

3M Science. The Beginning of Cubitron II.

In 2009, our team of 3M scientists recognized that abrasives would perform better if each grain of the ceramic abrasive material was uniform in size and shape. They envisioned a grain that would act like a knife, efficiently removing material without causing heat damage. Leveraging our microreplication technology used for creating reflective materials, they developed 3M's Precision Shaped Grain. This technology involves electrostatically orienting and distributing identical triangular-shaped abrasive grains on an abrasive backing. The result is a belt that offers faster and cooler cutting action, improved productivity, reduced operator fatigue, and extended belt life.

Other Products in this Family

Lead times are estimates and may vary based on our suppliers' product availability.