Diamond Products

The finest quality in industrial diamond products...

As a leader in the manufacturing and micronizing of industrial diamond, KDP begins with only the best raw materials. These are painstakingly crafted to meet our exceptional standards in shape, uniformity, and consistency.


The solution of choice for a broad range of manufacturing industries including aerospace, automotive, engineering, tooling, fiber optics, and telecommunications.


The Kay lineup of diamond compounds are available in 40 standard micron sizes. Processed from the finest raw materials, KDP compounds offer the ultimate in manufactured strength.


Our sprays are ready to use and preferred over aerosol sprays. Available in two standard bottle sizes and custom formulated to any micron or mesh size.


Kay Diamond offers a broad range of slurry options, with diamond suspended in water soluable, oil soluable, or universal soluable distillates. We custom-tailor a formula for your application.


For the most dependable results in lapping and polishing applications, KDP diamond is uniformly dispersed and held in suspension. Offering broad choice and precise viscosity, the highest performance can be achieved.

Lubricant & Thinner Products

Focused on compatibility, dispersion, and uniformity

The Kay lineup of lubricants and thinners are specially formulated for maximum compatibility with our diamond products, ensuring your lapping applications remain at a consistent and acceptable temperature.


Our lubricants are designed to be highly compatible with our diamond mediums, effectively reducing heat build-up to ensure consistent polishing.


The Kay Diamond thinners are designed to evenly disperse diamond particulate throughout the suspension medium, allowing very fine control in all your applications.