3 7/8'' step 3 blade drag bit

3 7/8'' step 3 blade drag bit

20'' 5 wings blade step drag drill bit

20'' 5 wings blade step drag drill bit

4 3/4'' 3 Blade Wing Step Drag bit API REG thread

4 3/4'' 3 Blade Wing Step Drag bit API REG thread

PDC drag bit 3 blades API REG thread

PDC drag bit 3 blades API REG thread

12 1/4''inches 311mm PDC drilling reamer hole opener

12 1/4''inches 311mm PDC drilling reamer hole opener

17 1/2''inches iADC 537 vertical drilling tci rock roller cone tricone hole opener

17 1/2''inches iADC 537 vertical drilling tci rock roller cone tricone hole opener

18''inches iADC 617 rock reamer roller cone hole opener

18''inches iADC 617 rock reamer roller cone hole opener

14''inches iADC 617 TCI roller cutter rock reamer hole opener

14''inches iADC 617 TCI roller cutter rock reamer hole opener

13 3/4''inches iADC 117 steel tooth hole opener rock reamer vertical drill bit

13 3/4''inches iADC 117 steel tooth hole opener rock reamer vertical drill bit

12 1/4''inches 311mm hole opener TCI rock reamer bit vertical drilling tools

12 1/4''inches 311mm hole opener TCI rock reamer bit vertical drilling tools

14 3/4'' inches steel body pdc bits with 16mm cutters and 6 blades for medium hard to hard formations

14 3/4'' inches steel body pdc bits with 16mm cutters and 6 blades for medium hard to hard formations

9 7/8'' 7 blades steel body PDC bit for hard rock drilling

9 7/8'' 7 blades steel body PDC bit for hard rock drilling

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