5 1/2'' IADC 217 three roller cone drill bit steel tooth RR bit
17 1/2"IADC237 rubber sealed bearing milled tooth tricone drill bit
17 1/2"IADC 117 water well drilling steel tooth tricone bit
15 1/2"IADC127 milled tooth tricone rock bit soft drilling water well drill bit
14 3/4"IADC127 Steel Tooth Tricone Rotary Roller Cone bit
12 1/4" IADC127 water well drilling tricone drill bit
11 5/8"IADC217 rubber sealed bearing milled tooth tricone drill bit
9 7/8"IADC117 steel tooth roller cone tricone drilling bit for water well
Our main products: tricone bits, PDC bits, HDD hole opener, foundation single roller cutters,drag bit and related tools
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Junziguan Industrial Zone, Hejian City, Hebei Province
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