8 1/2''215mm IADC 537 three roller cone drill bit
8 1/2/''215mm IADC 617 tci tricone chisel drill bit for domestic water well
9 7/8''250mm IADC 637 hard rock drilling tci tricone three cone bit
8 1/2''215mm IADC 517 tricone rock bit horizontal well drilling bit
5 1/4''133mm IADC 537 tricone drill bit
11 5/8''295mm IADC 637 tricone drill bit development well drilling bit
20''508mm IADC 535 tricone chisel drill bit exploration well
14 3/4''374.7mm IADC 637 conical tricone insert drill bit directional well drilling tool
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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