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SKU 7100404620
Legacy SKU 60440623126
UPC 00068060124807
Product Number 732U

3M Cubitron II Stikit Paper Disc 732U features 3M Precision Shaped Ceramic Grain, a revolutionary advancement in abrasive technology. The triangular shaped ceramic mineral is designed to slice through the substrate, rather than gouging or plowing like conventional abrasives, resulting in a disc that cuts fast and offers long life.

  • QUICK AND EASY DISC CHANGE: 3M™ Stikit™ attachment makes changing discs fast and easy
  • WIDE VARIETY OF APPLICATIONS: Versatile discs are effective for a broad range of tasks from stock removal to fine finishing on various substrates
  • WORKS WELL ON MANY SURFACES: Suitable for use on metals, paint coatings, composites, gelcoat, and different types of wood
  • REVOLUTIONARY GRAIN DESIGN: 3M Precision Shaped Grain technology provides fast cut and long life without compromising finish - now available from grades 80+ to 1000+
  • AVAILABLE IN A WIDE RANGE OF GRADES: Choose from grades between 80+ and 1000+ to match your specific application
  • FLEXIBLE BACKING: Strong C-weight paper backing offers flexibility and is suitable for sanding applications where edge retention is not the main concern
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On it's way to you Mid April, 2026  

Qty

Minimum Order 1 Item
Order Increment 1 Item
  Superior Cut Rate
  Durable
  Custom Fit
  Can Use on Many Surfaces
Product Dimensions
Imperial Metric
Weight 0.575 lbs
Width 5.1248 in
Length 5.1248 in
Height 2.03071 in
Diameter 5 in 127 mm
Center Hole Diameter 0.0 NP
Shipping Dimensions
Weight 3.202 lb
Length 11.25 in
Width 5.8748 in
Height 6.25 in
Color Purple

PRODUCT FAQ

  1. What is the grit of the 3M™ Cubitron™ II Stikit™ Paper Disc 732U, 320+?

    The grit is 320+, which provides excellent fine finishing for various surfaces!

  2. What size are these discs?

    These discs are 5 inches in diameter—perfect for common sanding tools!

  3. Do these discs have a liner with a tab for easy removal?

    Yes, they come with a convenient linered backing and a tab, so you can peel them off quickly and easily!

  4. How many discs come in one case?

    Each case contains 250 discs (five cartons with fifty discs each), giving you plenty to work with!

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.
Versatile Abrasive Discs for Multiple Applications

Now available in a comprehensive range of grades from 80+ to 1000+, these abrasive discs are engineered to deliver outstanding performance across a wide variety of substrates and applications. Whether you are engaged in aggressive stock removal or require a fine finishing touch, these discs provide the flexibility and versatility needed for professional results. They are suitable for use on metals, painted surfaces, composites, gelcoat, and various types of wood, making them an excellent choice for both industrial and woodworking environments.

Flexible C-Weight Paper Backing

The discs feature a C-weight paper backing, which offers an optimal balance of flexibility and durability. This backing is particularly well-suited for sanding applications where edge retention is not the primary concern, allowing the disc to conform to surface contours and deliver a smooth, even finish.

Optimized for 3M Random Orbital Sanders

For the best sanding experience and results, it is recommended to pair these discs with 3M Random Orbital Sanders. This combination ensures efficient material removal and a consistent finish, enhancing productivity and surface quality.

Convenient 3M Stikit™ Attachment System

These high-quality coated abrasive discs are designed with the 3M Stikit™ system, which streamlines the attachment process and eliminates the need for manually applying adhesives. Each disc comes with a pressure-sensitive adhesive (PSA) backing, allowing you to simply press the disc onto a compatible Stikit backup pad—just like applying a sticker. When it’s time to change discs, the pressure-sensitive adhesive enables quick and clean removal, leaving the pad ready for your next disc without any sticky residue.

  • Available in grades from 80+ to 1000+ for a wide range of sanding needs
  • Effective on metals, paint, composites, gelcoat, and wood
  • C-weight paper backing provides flexibility for contoured surfaces
  • Designed for use with 3M Random Orbital Sanders
  • Stikit™ system allows fast, easy disc changes with pressure-sensitive adhesive
  • Requires a Stikit backup pad (sold separately) for proper attachment
Other Products in this Family

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