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SKU 7100264108
Legacy SKU 60440409062
UPC 00638060893760
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 11   


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 60+


  1. What is the 3M™ Cubitron™ II PSA Cloth Disc 784F, 60+ YF-weight?

    The 3M™ Cubitron™ II PSA Cloth Disc 784F is a high-performance abrasive disc designed for metalworking applications.

  2. What does "60+ YF-weight" mean?

    "YF-weight" refers to the thickness and durability of the disc, with Y being heavier than X weight. This particular disc has a weight of 60 or more (hence '60+').

  3. How big is this product?

    This specific product has dimensions of five inches in diameter and no-hole configuration.

  4. Can you explain what "PSA" means in relation to this product?

    In regards to this particular product, PSA stands for pressure-sensitive adhesive--meaning that it makes use of special adhesives that stick when light pressure is applied and fall off cleanly when force is removed without leaving any residue.

  5. Where can I purchase these discs from?

    You may purchase them directly from our website or through one of our authorized distributors. If you need help finding a distributor near you, let me know your location and we'll be happy to assist!

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 60+ grade, this disc is perfect for heavy-duty applications that require aggressive material removal. The disc measures 5 inches in diameter and features a non-hole (NH) design, allowing for maximum coverage and efficient sanding.

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, providing a faster cut and longer disc life. The result is reduced downtime and increased productivity, making it an excellent choice for professionals in industries such as metalworking, woodworking, and automotive.

The 3M™ Cubitron™ II PSA Cloth Disc 784F comes with a convenient liner with a tab, making it easy to peel and apply to a variety of surfaces. Its die 500X configuration ensures a secure and reliable attachment to compatible backing pads. Each case contains 25 discs, with a total of 200 discs per case, providing ample supply for your sanding needs. Trust 3M's reputation for quality and innovation and experience the superior performance of the 3M™ Cubitron™ II PSA Cloth Disc 784F.

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