6 1/2'' 165mm IADC 635/637 tci insert tricone drill bit
20'' 508mm PDC drill bit steel body 5 wings
14 3/4'' inches steel body PDC drilling head bit 5 blades
crossover sub adaptor sub
3 7/8'' step 3 blade drag bit
20'' 5 wings blade step drag drill bit
4 3/4'' 3 Blade Wing Step Drag bit API REG thread
PDC drag bit 3 blades API REG thread
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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