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SKU 7100166522
Legacy SKU 60440318230
UPC 00638060211687
Product Number 981F

3M™ Cubitron™ II Cloth Belt 981F is an abrasive sanding belt for grinding, weld removal, finishing and blending. It is constructed on a tough, Y-weight backing with fast-cutting 3M Precision-Shaped Grain. The water-resistant material and cutting aide allow for use with liquid coolants to prevent loading when used on aluminum, bronze and brass.

  • Designed to grind soft metal substrates like aluminum, brass and bronze as well as carbon steel and mild steel
  • 3M Precision-Shaped Grain cuts exceptionally fast for grinding and finishing on a range of metals
  • Integrated dry lubricant reduces loading when grinding soft metals
  • Strong mineral adhesion for reduced shelling when grinding on the edge of the belt
  • Tough, Y-weight polyester cloth backing holds up to finishing and aggressive grinding
  • Water-resistant polyester material can be used with liquid coolants to reduce grinding temperatures
  • Durable resin bonding resists deterioration from heat, extending the life of the abrasive cloth
  • Excellent alternative to aluminum oxide or alumina zirconia belts
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On it's way to you November 14  


Minimum Order 25 Kits
Order Increment 25 Kits
  High-Quality Cloth Belt Materials
Product Dimensions
Imperial Metric
Weight 0.171 LBS
Width 1/2 in 12.7 mm
Length 18 in 457.2 mm
Shipping Dimensions
Weight 4.925 lb
Length 12 in
Width 12 in
Height 9.25 in
Color Mahogany
Grit Non Pertinent


  1. What makes the 3M™ Cubitron™ II Cloth Belt 981F better than other abrasive belts?

    The 3M™ Cubitron™ II Cloth Belt 981F is designed with precision-shaped ceramic grain that continuously fractures into sharp points and edges to slice through metal, wear evenly and provide super-long life and consistent finish.

  2. How long will the kit last me or do I need to replace it frequently?

    Each case contains a kit of 25 cloth belts. The belt lasts longer while maintaining its high performance compared to conventional ceramic abrasive belts. So one can use these for an extended period before needing replacements based on usage patterns.

  3. Can you tell us more about the recommended applications for this abrasion product?

    Yes, this product is designed to work optimally on carbon steel, tool steel, titanium, aluminum and other metals. It works best in applications such as stock removal, weld leveling & blending as well as Deburring.

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.
Solving the Challenges of Soft Metals

3M™ Cubitron™ II Cloth Belt 981F is a revolutionary product designed to solve three common problems associated with grinding and finishing aluminum and other soft metals. These problems include abrasive loading, edge-shelling, and operator fatigue.

To reduce loading when working with aluminum, bronze, and brass, a dry lubricant is integrated into the abrasive. This allows the abrasive grain to be relatively free from metal coating, which keeps the cutting surface of the mineral effective. The waterproof backing also enables the user to rinse areas of the workpiece and the cloth during use, in case the abrasive begins to clog.

3M™ Cubitron™ II Cloth Belt 981F features a durable, Y-weight polyester cloth backing that stands up to the stresses of working on gates, parting lines, and flashing in tight spaces. This helps prevent edge-shelling. Additionally, this cloth grinding belt features a proprietary resin system to improve mineral adhesion, further reducing the chances of shelling.

Worker fatigue can be a concern when grinding softer substrates. 3M™ Cubitron™ II Cloth Belt 981F grinds efficiently, and 3M Precision-Shaped Grain can allow the operator to cut with less pressure, which may help to reduce physical exertion on an operator.

About 3M Precision-Shaped Grain

3M Precision-Shaped Grain is the advanced technology behind 3M™ Cubitron II™ products. Its sharp, triangular structures continually fracture into sharp points and edges that slice cleanly through the substrate, rather than gouging or plowing as traditional abrasives do. This creates a fast cut and minimizes heat build-up in the workpiece, reducing heat-related defects. Moreover, because the abrasive itself stays cooler and sharper, it lasts significantly longer than conventional abrasive belts, decreasing the number of belt changeovers to lower operational costs. Its closed coat construction features a dense spread of abrasive grains across the surface of the cloth, cutting fast and providing a consistent finish.

Applications and Machine Types
  • Gate grinding
  • Flashing removal
  • Parting line removal
  • Deburring
  • Finishing
  • Backstand grinders
  • Stroke sanding
  • Small bench grinders
  • In-line sanders
  • File belts
Brochures, Catalogs & Data Sheets
Other Products in this Family

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