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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.


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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 Markets for CBN

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

    • HSS cutting tools
    • Camshaft and crankshaft
    • Turbine
  • Dressing of a vitrified CBN grinding wheel

    Featured Technologies for CBN

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


Product Spotlight | 3D Printed Superabrasives

Reach new dimensions of ID grinding performance with a groundbreaking new technology from 3M Abrasives. By 3D printing CBN grinding wheels, we can create custom precision-structured superabrasives with unique surface slots, integrated cooling holes, passages and channels. 3M™ Precision Structured Vitrified CBN Grinding Wheels deliver the design freedom and high performance required to boost productivity in your complex ID grinding processes.


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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 Markets

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

    • Carbide cutting tools
    • Oil and gas

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.

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