Gold Member Since 2014
Audited Supplier
Hejian Hengji Bit Manufacture Co., Ltd.

Tricone Rock Bit, API Tricone Bit, Tricone Drill Bit manufacturer / supplier in China, offering 15.5inch IADC 517 Drill Bits, API 9 7/8" IADC 637TCI Tricone Drilling Bit Factory, 13 5/8 TCI Tricone Bit, Oifield Drilling Rotary Bit, Rock Bit Hard Formation and so on.

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images of 15.5inch IADC 517 Drill Bits