Usage Tips:Description Vacuum brazed technology provides longer service life and high working efficiency. Using diamond particle coating, cutting sharpness, hardness higher and of greater wear resistance. The base body is made of high manganese steel, which has good seismic and impact resistance, strong and durable. Suitable for edge grinding and milling of marble, granite, quartz, microcrystalline stone, artificial stone, etc. Universal round handle design, suitable for the cutting machine, engraving machine and gong machine, easy to install and disassemble. For stone edge profiling, grinding/cutting edges, marble trim , ceramic/stone/cobblestone carving. Wide application for drilling marble, granite, quartz, microcrystalline stone, artificial stone, slate, and c. Cannot be used for metal, wood, plastic, tempered glass, etc. Applicable Equipment Suitable for installation on cutting machine, engraving machine and gong machine. Package Included: 1 x Router Bits. Note From the water is required during the cutting process to keep the drill cool, which prolongs the service life of the cutter, and dry drilling is strictly prohibited.