Sintered Diamonds New materials necessitate improved and updated instruments. It is equally important for these instruments to be as universal as possible for use. Sintered Diamond Instruments are cost-effective and time-saving and can be used for all kinds of applications in the Dental Laboratory. Whilst galvanic grinders are only covered with a diamond coating, Sintered Diamonds consist of diamonds throughout, with a metal bond for firm hold. The high quality diamond grit and finest special metal bond used for the manufacture of Sintered Diamond Instruments are providing an absolute guarantee for achieving ultimate grinding results.