3M Superabrasives | CBN and Diamond

When you’re working with materials like tungsten carbide, ceramics and superalloys, only the hardest abrasive minerals can do the job. Our CBN and diamond superabrasives are designed for today’s most challenging applications and demanding industries, from grinding hardened steel to finishing tough composites. 3M superabrasives for precision grinding and finishing come in a wide variety of forms, grades and materials – including custom solutions – to meet your specific requirements.

rotary tool grinding drill gashing
Diamond and CBN Superabrasives

Technologies for the toughest jobs in precision grinding and finishing.


Cubic Boron Nitride Superabrasives

Cubic boron nitride (CBN) is second only to diamond in hardness. CBN superabrasives are highly durable with accurate geometric control, making them ideal for grinding hardened materials and superalloys. We offer a range of CBN abrasives including CBN grinding wheels and other custom solutions.

  • Hard metal tool profiles
    Featured Substrates for CBN

    CBN superabrasives from 3M are a versatile solution for grinding and finishing many hard metals, including:

    • Tool steel
    • High speed steel
    • Hardened alloys
  • Airplane engine turbines
    Featured Industries for CBN

    Our CBN superabrasives for grinding and finishing are used every day in demanding applications across multiple industries:

  • Dressing of a vitrified CBN grinding wheel
    Featured Technologies for CBN

    3M CBN superabrasives are powered by multiple advanced technologies, including:

Industry Spotlight | Round Tool Manufacturing

Tough jobs require the right tools. Whether you need a diamond or CBN grinding wheel, there’s a 3M superabrasive solution for your specific round tool application. Download our catalog to explore 3M™ Superabrasive Wheels for Cutting Tools and request a custom quote today.

Diamond Superabrasives

As the world’s hardest substance, diamond is the only abrasive material capable of effectively grinding, cutting or shaping ceramics, cemented carbides and ferrites. Our wide portfolio of superabrasives features diamond grinding wheels, flexible diamond belts, discs and more – plus diamond dressing rolls to keep your process running smoothly.

  • Ceramic seals after flat grinding and finishing
    Featured Substrates

    3M superabrasives made with diamond are hard enough to stand up to these materials and many more:

    • Ceramics
    • Carbides
    • PCD and PcBN
  • Rotary tool outer diameter grinding application
    Featured Industries

    Our diamond grinding and finishing products are trusted and used in a variety of industries, including:

Technology Spotlight | X-Series Diamond Grinding Wheels

Need to boost your productivity? It’s as simple as strength + quality. That’s the formula behind our new X-Series diamond grinding wheels. Featuring a hybrid bonded layer structure, 3M™ Hybrid Diamond Grinding Wheel 6PHU delivers the high strength and quality bond required to achieve consistent grinding performance.

Titanium and steel gears
Contact Us.

If you’re curious about custom superabrasives solutions, we can help. Call 1-866-279-1235 and our precision grinding and finishing experts can get you what you need.

If you’re curious about custom superabrasives solutions, we can help. Call 1-866-279-1235 and our precision grinding and finishing experts can get you what you need.