ZL-XD03 diamond finger Bit Used for quick grinding of granite or hard stone, prepare for polishing. general type, sharp type, durable type available depends on the hardness of the stone.

ZL-MTC200 Hollow Core Diamond Drill Bits For Stone Granite Mainly used for gloving of all stone, especially for hard stone. Recommanded speed: 12000-20000.

Mainly used for drilling of granite, marble, engineering stone, concrete, brick, etc. the desired shape can be achieved by several drilling.