diamond drill/diamond bit

Diamond drill bit are made of high Quality steel body and diamond working layer by sintering or electroplating under the state of high temperature and pressure , with the features of good sharpness, high precision and low noise. Each one of them can drill about 20,000 holes. In order to meet different requirement , there are several series of products available for your selection, including solid drills , core drills , straight handle drills , wimble drills , drill cover, countersinks and so on. NAME CODE SPEC(MM) FUNCTION Dia. Diamond Thickness Diamond Height Whole length Drill Bits DB10 568101214 161820253035 404550607080 90100110120 1.0 8 10 65 75 95 105 Drilling on Glass Desktop and Vertical Machine DB20 2.0 3.0 5 20 DB30 Drill Cover DB41 10203040 5060708090100 75 95 105 Spare Part of Drills , Improving the Processing Effect of Hole Edge Countersinks DB51