Diamond Core Drills

Our Diamond Core Drills will keep you working faster, delivering better results, while saving money.

Made in the USA

Proudly made in the USA, our manufacturing facilities are located in Mentor, Ohio, 20 miles east of Cleveland.

Inventory Solutions

Coastal Diamond has consistently grown in size and and performance by focusing on our customers and helping them meet and exceed mission critical performance requirements.

Application Development

We began in 1990 with one goal – to design, develop and deliver diamond and CBN grinding wheels that exceed industry standards, backed by world class customer support.


Our fast product delivery, complimented by our dedicated stocking programs allow us to dependably serve our customers with quality, cost effective products.


Whether you are sharpening a single edge or crafting the perfect finish on an aerospace project, we have tools, proprietary technology and experienced engineering that will keep you at the forefront of your industry.

Custom Diamond and cBN Grinding Wheels

Coastal Diamond is a leading manufacturer of superabrasive cutting and grinding wheels serving the US and International markets. Proudly made in the USA, our Diamond and cBN Grinding Wheels are bonded using a proprietary system that helps you achieve maximum performance and keeps you ahead of your competition.

Used for: Ceramics – Quartz – Composites – Graphite – Steels – Carbide – Blade & Knife Sharpening

Coastal Diamond Advantages
  • Part integrity and consistency
  • Increased wheel life
  • Highly efficient grinding performance
  • Range of operations from rough grinding to honing
  • Wet or dry grind operations
  • Ease of workability for operator
  • Cost effective
  • Decreased scrap