Diamond saw is a cutting tool, widely used in stone, machining of hard and brittle materials, such as ceramics. Diamond cutting disc consists mainly of two parts; matrix and the cutter head. Substrates are bonded main supporting part of the cutter head and cutter are used in the process of cutting of parts, heads will be constantly consumed in use, and the substrate will not, cutter is able to play the role of cutting because they contain diamonds, diamond as the most hard substances, it friction cutting objects to be processed in the cutter head. While the diamond particles are made of metal encased in a knife inside the head.