Diamond Bur – Sintered Point

The sintered diamond head of these rotary burs are made up completely of a diamond matrix. Ideal for cutting hard material, lasts MUCH longer than a standard plated diamond bur. These Diamond Bits are designed for aggressive and faster grinding for higher productivity and time saving Extremely durable, long lasting and economical. – Glass, Jewelry, Lapidary &  Lab Sintered Diamond Bur HP Shank – Diamond rotary instrument for precision work – Ideal deterioration and finishing of surface applications. 3/32″ shank.