75MM PDC Three Wings Bit Concave Carbide Drill Bit for coal mining

Electroplated diamond bits have regular size stock all year round:

56/60/75/91/113/133/152/171/200/220mm.

 PDC non core drill bit is a new kind of superhard material synthesized by cemented carbide and synthetic diamond polycrystals under high temperature and high pressure. The drill bit manufactured by PDC has remarkable advantages over traditional cemented carbide bits. Its service life is 10-30 times longer than the conventional cemented carbide bits. PDC drill bits have good stability, long service life, high drilling efficiency and It is widely used in coal miniing, railways, highways, water well, metal mines, mountain excavation, quarrying and tunnel engineering, etc.

PDC non core drill bit has good stability and high drilling verticality. Suitable strata: clay, sand and weathered base drilling