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SKU 7100264107
Legacy SKU 60440409054
UPC 00638060893753
Product Number 784F

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

  • 3M Precision-Shaped Grain blend provides up to 2x longer life than comparable aluminum oxide discs.
  • Proprietary mineral provides consistent, faster results on medium pressure applications, increasing production rate.
  • Reduces changeouts and downtime in finishing applications.
  • Moderately flexible backing provides conformability for grinding and blending both straight and contoured surfaces.
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On it's way to you October 6   


Minimum Order 200 Items
Order Increment 200 Items
  Long-Life Performance
  Custom Fit
  Fast Cut Rate
Product Dimensions
Imperial Metric
Diameter 5 in 127 mm
Shipping Dimensions
Weight 9.552 lb
Length 17.812 in
Width 5.812 in
Height 6.125 in
Maximum Speed 12,000 rpm
Grit 50+


  1. What makes 3M™ Cubitron™ II PSA Cloth Disc 784F different from other abrasive discs?

    The 3M™ Cubitron™ II PSA Cloth Disc 784F has precision-shaped grains that are electrostatically aligned to form sharp peaks, which can slice through metal like a knife.

  2. What is the best application for using this type of disc?

    This type of disc is perfect for hard-to-grind metals such as stainless steel, nickel alloys, and cobalt chrome. It also works well on mild steel and softer metals.

  3. How many discs come in a case?

    There are 200 discs in each case of the 3M™ Cubitron™ II PSA Cloth Disc 784F. Each case contains inner packs with die-cut slots that cleanly dispense one disc at a time with no damage or waste.

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.
Product Description: 3M™ Cubitron™ II PSA Cloth Disc 784F

The 3M™ Cubitron™ II PSA Cloth Disc 784F is a high-performance abrasive disc designed to deliver exceptional cutting power and durability. With its YF-weight backing and 50+ grade, this disc is perfect for heavy-duty applications that require aggressive material removal. Measuring 5 inches in diameter and featuring a non-hole (NH) design, this disc can be easily attached to a variety of power tools for efficient sanding and grinding.

What sets the 3M™ Cubitron™ II PSA Cloth Disc 784F apart from other abrasive discs is its revolutionary Cubitron™ II technology. This technology utilizes precision-shaped ceramic grain particles that self-sharpen during use, resulting in faster cutting and longer disc life. The disc's linered design with a convenient tab makes it easy to peel and apply, saving you time and effort.

Each case of the 3M™ Cubitron™ II PSA Cloth Disc 784F contains 200 discs, with 25 discs per inner pack. This ensures you have an ample supply of high-quality abrasive discs to tackle your toughest projects. Whether you're working in metal fabrication, woodworking, or general maintenance, this disc is a reliable choice that will help you achieve superior results.

Key Features:
  • YF-weight backing and 50+ grade for heavy-duty applications
  • 5-inch diameter with non-hole design for versatile use
  • Cubitron™ II technology for faster cutting and longer disc life
  • Linered design with tab for easy application
  • 200 discs per case, with 25 discs per inner pack
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