Diamond Drill Bit for Hard and Solid Rocks

complete and dense rocks, some with fine grain, some amorphous, are encountered when drilling. with their high indention strength and low abrasiveness, it's hard to drill in with normal diamond drill bit because the diamonds won't come off in time and it starts to slip, these rocks are also known as slipping rocks. our diamond drill bits are designed with special techniques to cope with these slipping rocks, they drill fast and steadily, they are the best choice to keep up in schedule while keeping cost within budget. most drill bits are produced with hot press sintering with a bond hardness of HRC5-20.