... 517, 537, 617, 637,737,827 TypeTri-cone bits, Steel tooth bits, PDC bits Applicablewater well, oil field, construction, geothermal, directional boring ... bit,tungsten cabide inserted bits,Tricone rock bit,Milled tooth bit,Roller Cone Bits ,matrix body PDC bits,steel body ...3.API Tricone ... mm)6,Moq:1 piece7,Bit body Color: can be as you like: matrix body,pdc cutters8,Certification: API9,Applicable of ...