National Diamond Tool and Coating

Custom Diamond Tooling, Proudly Made in the USA.

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Explore Our Areas of Expertise

PCD and CBN Tipped Inserts

Standard and custom PCD (Polycrystalline Diamond) and CBN (Cubic Boron Nitride) tipped inserts for a wide range of machining applications.

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PCD tipped Specialty Tools

Standard and custom PCD (Polycrystalline Diamond) tipped cutting tools manufactured for a wide range of machining applications.

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CVD Diamond Coating

CVD (Chemical Vapor Deposition) diamond coated cutting tools for machining abrasive and non-ferrous materials.

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Diamond Grit Coating

Custom diamond grit coated tools available in various grit sizes for grinding, cutting, and machining applications.

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Exceptional Customer Service

At National Diamond Tool, we believe that exceptional customer service is the cornerstone of a successful business. We are dedicated to providing you with an outstanding experience from the moment you engage with us.

Personalized Service

  • Tailored solutions to meet your unique needs.
  • Dedicated experienced team ready to assist you.

Prompt and Responsive

  • Quick response times to inquiries and concerns.
  • Real-time support for urgent matters.
  • Rush and Expedite Services 

Problem Resolution

  • Efficient handling of issues with a focus on finding solutions.
  • Hassle-free return and replacement process.
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Industries Served

National Diamond Tool & Coating manufactures PCD and CBN cutting tools for a wide range of industries, including aerospace, composites, oil & gas, and medical manufacturing. Our tooling is designed for machining a variety of ferrous, non-ferrous, and abrasive materials. 

Polycrystalline Diamond (PCD)

PCD cutting tools are primarily used for machining non-ferrous and abrasive materials, including:

  • Plastics & Composites

  • Graphite

  • Carbon & Carbon Fiber

  • Aluminum

  • Copper

  • Brass

  • Green Carbide

  • Green Ceramics

Cubic Boron Nitride (CBN)

CBN cutting tools are primarily used for machining hard ferrous materials and certain high-temperature alloys, including:

  • Alloy Steels

  • Tool Steels

  • High-Speed Steels

  • Inconel & Nickel-Based Superalloys

About National diamond Tool & Coating

Founded in 1994, National Diamond Tool & Coating is a family-owned manufacturer of precision diamond cutting tools based in Westlake, Ohio.

Operating from our 20,000-square-foot manufacturing facility, we specialize in standard and custom PCD and CBN tipped tooling, CVD diamond coating, and diamond grit coating.

In addition to manufacturing new tools, we offer repair, retipping, and recoating services.

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Contact Us

Have a question or need a quote? Contact us with your tooling requirements, drawings, or specifications, and our team will get back to you

Business Hours: Monday–Thursday, 8:00 AM – 4:00 PM EST