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SKU 7100197560
Legacy SKU UU010142642
UPC 00638060732731
Product Number 366UZ

3M Paper Belt 366UZ is constructed with 3M's premium aluminum oxide mineral in closed coat format. It is an anti-static product that resists loading, and is coated on a heavy F-weight paper backing to efficiently sand and finish flat surfaces in woodworking applications.

  • Heavy F-weight paper backing provides durability and smooth operation
  • Anti-static treatment helps manage dust and loading
  • Film media splice provides strong joint and smooth running belt in either direction
  • Premium aluminum oxide mineral provides aggressive cut and long abrasive life
  • Closed coat provides greater grain density and finer finish on hard woods than open coat abrasives
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On it's way to you April 30  


Minimum Order 2 Items
Order Increment 2 Items
  Incredibly Versatile
  Easy to use
  Excellent Cut Rate
Product Dimensions
Imperial Metric
Shipping Dimensions
Weight 0 lb
Length 0 in
Width 0 in
Height 0 in


  1. What is the grit size of the 3M™ Paper Belt 366UZ, P220?

    The grit size of our 3M™ Paper Belt 366UZ is P220.

  2. What are the dimensions of the belt?

    The dimensions of this belt are 72 inches in width and 126 inches in length.

  3. Does this belt have a Film-lok backing?

    Yes, the belt features a Film-lok backing for secure attachment during sanding applications.

  4. Is the Full-flex design suitable for contour sanding?

    Absolutely! The Full-flex design allows for flexibility and conformity to contours, making it ideal for a variety of sanding tasks.

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.
F-weight Paper Backing for Finer Finishes

The 3M Paper Belt 366UZ is designed with F-weight paper backing, which is one of the heaviest and most rigid paper backings available. This unique feature allows for achieving finer finishes compared to cloth backed belts of the same grade. The F-weight paper backing provides smooth operation and exceptional durability, ensuring long-lasting performance.

Closed Coat Structure for Greater Grain Density

Featuring a closed coat structure, the abrasive side of the belt offers greater grain density. This results in finer finishes compared to open coat belts. The increased grain density allows for more efficient material removal and improved surface quality.

Advanced Dust Management Technology

3M Paper Belt 366UZ is equipped with 3M's innovative dust management technology. This technology reduces static in the dust particles, making it easier to remove them when used with an efficient dust collection system. By minimizing the presence of dust, this belt helps maintain a cleaner work environment and ensures consistent finishing results.

Film Media Splice for Secure Bond

The belt ends of the 3M Paper Belt 366UZ are joined using a film media splice. This splice creates a strong and secure bond between the belt ends. It consists of a thin film-joining media that not only ensures a smooth running belt in either direction but also minimizes chatter marks. The secure bond provided by the film media splice contributes to consistent finishing results.

Premium Aluminum Oxide Abrasive

The 3M Paper Belt 366UZ features a premium aluminum oxide abrasive. This abrasive is widely preferred by industrial professionals due to its exceptional cut-rate and long life. Aluminum oxide is a tough and durable abrasive that self-fractures during use, exposing fresh cutting edges. Unlike traditional abrasives like garnet, aluminum oxide maintains its cutting performance for longer periods. Its high cut-rate, hardness, strength, and low heat retention make it suitable for a wide range of sanding and finishing applications.

Versatile Applications

Abrasive belts are used on various belt sanders for different applications on both wood and metal surfaces. 3M offers a wide selection of belts to fit most industrial belt sanders. Wider belts are ideal for dimensioning and sanding large wood panels, smoothing rough cut edges of metal sheets, or adding a grain pattern to stainless steel sheets. Medium-width belts are suitable for edge or portable belt sanders, allowing for sanding or blending wood pieces such as cabinet doors. With its versatility, the 3M Paper Belt 366UZ is a reliable choice for a range of sanding and finishing tasks.

Brochures, Catalogs & Data Sheets
  • Pdf   Safety Inserts_3m coated abras
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