PDC Bits, PCD Bits Concave Bit

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the cutters made of Polycrystalline Diamond Compact with perfect durability and high drilling speed;
the breaking post made of YG11 alloy as it's substrate, with high torsional strength and can break rock together with the cutters;
the gauge is made of YG8C alloy with perfect wear resistance. It can protect the bit from shrinking during the drilling process;
the size of the nozzles is 8mm~14mm. It can discharge debris at the same time cooling the cutter by using drill fluid;
PDC 3wing concave drill bit
Normal Type: Suitable for the formation of f< 8;
Reinforced Type: Suitable for the formation of f< 12;
PDC 4wing concave drill bit
Normal Type: Suitable for the formation of f< 10;
Reinforced Type: Suitable for the formation of f< 15.