API 10 5/8 IADC217 Three Cone Rock Bit Steel Roller Tooth Drill Cone Bit for Well Drilling

Model Name :：HA217G

API 10" IADC321 Three Cone Bit Steel Tooth Tricone Bit for Well Drilling

Model Name :：10'' 321

API 6" IADC317 Milled Tooth Bit Tricone Bit Steel Tooth Bit for Well Drilling

Model Name :：HA317G

API 17 1/2'' IADC215 Steel Tooth Drill Bit Three-cone Drill Bit for Well Drilling

Model Name :：GA215G

API 8 1/2 inch IADC217 Three Cone Bit Tricone Bit for Water Well Drilling

Model Name :：HA217

API 13 5/8" IADC127 Tricone Roller Bit for Well Drilling

Model Name :：13 5/8" HA127G

US $2500.00 - US $2600.00

API 5 1/4" Steel Tooth Tricone Bit for Water Well Drilling

Model Name :：

API 11 5/8" IADC217 Steel Tooth Bit Tricone Bit for Well Drilling

Model Name :：