... bricks, asphalt Description:Used for wet cutting building materials such as concrete, bricks, granite, marble, stone,cements, etc.Specification: Diameter (D) ... The products are increasingly used in processing hard materials, such as marbles, granites and concretes. Quality of our products is at ... 595-86780371Fax:0086-595-86780372 Certification: Huazuan drill bit for concrete,refractory bricks, asphalt