12 1/4''inches 311mm hole opener TCI rock reamer bit vertical drilling tools
PDC drag bit 3 blades API REG thread
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
6 3/4" steel body 5 blades PDC drill bit for medium hard formations
8 1/2"215.9mm PDC drill bit oilfield driling bit API Standard
12 1/4" 311mm PDC Drill Bit 5-Wing Fixed Cutter Water Well Drill Bit for Sandstone Shale Clay Soft to Medium Formations API Standard
Our main products: tricone bits, PDC bits, HDD hole opener, foundation single roller cutters,drag bit and related tools
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