17 1/2'' 444mm IADC 517 TCI tri-cone rotary roller cone bit tricone head
15 1/2'' IADC CODE 537 driling rock bits trionce insert tooth bit
12 1/4'' 311mm IADC 537 three roller cone tricone bit
12 1/4'' 311mm IADC 637 tricone bit TCI drill bit hard rock drilling tools bit
14 3/4'' IADC 537 vertical drilling roller cone drill bit tricone bit
7 7/8"(200mm) CODE 537 TCI Roller Cone Drill Bits with Chisel Tungsten Carbide Inserts
Insert tooth tricone drill bit 117.5mm
12 1/4" (311mm) steel body PDC drill bit S165
Our main products: tricone bits, PDC bits, HDD hole opener, foundation single roller cutters,drag bit and related tools
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