1.Diameter is 180mm, hole size is M14
2.Material is high quality diamond powder, metal bond
3.Super hard, very hard, hard, medium, super soft, very soft, soft bond are available, you can choose suitable bond according to the hardness of your concrete
4.Application is for concrete,marble, granite, asphalt concrete floor, limestone, quartz and other floor material grinding
5.Grit can be #16,#30,#50,#80, also accept customized