CVD Diamond Corporation uses state of the art diamond coating technology developed internally and held proprietary. Our special arrangement of a diamond-coating reactor produces the finest diamond films available on the market today. The diamond film is extremely homogeneous which results in longer life and more consistent performance. Careful selection of substrates and our proprietary preparation techniques allow excellent adhesion of the diamond film to the end mill tool. The combination of these technologies results in the longest lasting end mills available on the market today.