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SKU 7100205967
Legacy SKU 60440324584
UPC 00068060529800
Product Number 663FC

3M™ Trizact™ Diamond Cloth Belt 663FC represents the “next generation” in abrasive technology. It combines the predictable dimensioning of bonded wheels with the speed, consistency and ease of use of 3M abrasive belts. This unique hybrid helps you achieve a smoother finish in less time.

  • Can cut hard to grind materials up to 70% faster than bonded wheels
  • Delivers consistent grinding performance while reducing the likelihood of grinding chatter
  • YF-weight backing supports medium to high pressure grinding applications
  • Great for stock removal
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On it's way to you March 8  


Minimum Order 2 Items
Order Increment 2 Items
  High-Quality Cloth Belt Materials
Product Dimensions
Imperial Metric
Width 2 in 50.8 mm
Length 90 in 2286 mm
Shipping Dimensions
Weight 12.015 lb
Length 14 in
Width 14 in
Height 4.813 in
Grit Non Pertinent


  1. What is the grit size of 3M™ Trizact™ Diamond Cloth Belt 663FC?

    The grit size of the belt is 20-micron grade.

  2. What are the dimensions of this diamond cloth belt?

    The dimensions are 2 inches by 90 inches.

  3. Is it suitable for wet applications?

    Yes, it can be used both in dry and wet applications.

  4. . What type of attachment does this belt use?

    . It uses Fabri-lok attachment method.

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™ Trizact™ Diamond Cloth Belts 663FC

3M™ Trizact™ Diamond Cloth Belts 663FC are designed to grind materials to their final dimension. These belts are capable of grinding hard-to-grind materials such as ceramics, carbides, chilled iron, and composites. They are also effective in stripping old thermal spray coating during the refurbishment process. These belts cut up to 70% faster than bonded wheels, without producing chatter. Even less-experienced operators can achieve consistent, effective stock removal throughout the life of the belt.

These belts feature a waterproof YF-weight cloth backing, which means they can support high-pressure tough applications when run wet or dry. The abrasive side of the belt features three-dimensional structures derived from proprietary 3M technology. Unlike conventional abrasives, which are constructed from randomly-spaced and irregular-shaped minerals, Trizact abrasives feature precisely-shaped three-dimensional structures that help deliver more consistent performance and eliminate belt-to-belt variation.

  • Designed for grinding materials to final dimension
  • Cuts up to 70% faster than bonded wheels
  • Capable of grinding hard-to-grind materials
  • Effective in stripping old thermal spray coating
  • Supports high-pressure tough applications when run wet or dry
  • Features three-dimensional structures for consistent performance
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