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SKU 7010299233
Legacy SKU 60990140323
UPC 00051144779604
Product Number 6MB8

Balancing sharp cutting action with fine finishing, the 3M Diamond Metal Bond PSA Disc 6MB8 is made by adhering micron-graded diamond mineral to a brass plate, which is ideal for lapping and similar applications.

  • Pressure-sensitive adhesive (PSA) backing for easy attachment to machine or support plate
  • Micron-graded diamond mineral cuts sharp but delivers fine finishes
  • May be used on a variety of substrates, including ceramic
  • Evenly-spaced mineral helps remove workpiece imperfections at a consistent, controlled rate
  • Good for lapping, finishing, polishing
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  Quality Engineering
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Product Dimensions
Imperial Metric
Weight 1.5 lbs
Width 9.8 in
Length 12.3 in
Height 10.2 in
Diameter 8 in 203.2 mm
Center Hole Diameter 0 NP 0.0 NP
Shipping Dimensions
Weight 1.502 lb
Length 12.3 in
Width 9.8 in
Height 10.2 in
Color Gray

PRODUCT FAQ

  1. Sure thing! Here are some common questions and answers

    What is the grit size of the 3M™ Diamond Metal Bond PSA Disc 6MB8, 220 Mesh?

  2. The grit size of this disc is 220 mesh.

    What is the diameter of the disc?

  3. The diameter of the disc is 8 inches with a non-hole design (NH).

    How does this disc perform on different materials?

  4. This diamond metal bond PSA disc performs well on hard, non-ferrous materials such as glass, ceramics, and stone.

    Can I use this disc for wet grinding applications?

  5. Yes, it can be used for wet grinding applications to help minimize dust and improve cutting efficiency.

    What type of equipment is compatible with this diamond metal bond PSA disc?

  6. . This disc can be used with various rotary tools or grinders that have appropriate speed settings for best results.

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.
Diamond Mineral

3M Diamond Metal Bond PSA Disc 6MB8 is a high-quality abrasive product engineered by electroplating micron graded diamond mineral onto a flat brass plate. This unique process ensures that the diamond mineral is applied uniformly, resulting in improved cutting action throughout the life of the abrasive. The disc is available in various abrasive micron grades, including 6, 15, 30, 45, 220, and mesh grades 220 and 100.

Recommended Applications

  • Flat lapping: The 3M Diamond Metal Bond PSA Disc 6MB8 is ideal for flat lapping applications that require superior surface finishes.
  • Metallurgical testing: This disc is suitable for use in metallurgical testing processes.
  • Sharpening carbide tools: It is effective in sharpening carbide tools, ensuring precision and control.
  • Gem faceting: The disc is also used in gem faceting, providing excellent results.
  • Grinding glassy materials: It is designed to grind glassy materials that generate erosive swarf, ensuring efficient and precise grinding.

PSA Backing

In addition to its micron-graded diamond mineral, the 3M Diamond Metal Bond PSA Disc 6MB8 features a pressure-sensitive adhesive (PSA) backing. This backing allows operators to easily and securely attach the disc to their machinery. The combination of the diamond mineral and the PSA backing makes this disc perfect for projects with close tolerances, delivering fine finishes and workpiece refinement.

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