1 fast drilling speed 2 high efficiency and less chipping 3 ... ,95mmDig holes. 5000+ ---- 10000+Segment Height: 10mmWall Thickness: 0.8mm-1.2mmMarketGermany, Italy, India, Egypt, Pakistan, Iran, Kuwait, United Kingdom, Russia ... shank2. Cone shank3. Threaded shankModel1.Sintered diamond drill bit.2.Electroplated diamond drill bit.CompanyEstablished in 1990,Zhecheng Hongxiang Superhard Material Co ...