146mm diamond drill bit PD

146mm diamond drill bit PDC Concave drag bit ...

API 12 1/4 inch Steel Body

API 12 1/4 inch Steel Body PDC Bit 7 Blades PDC Bit for Oil ...

non core PDC diamond drill

superdrill 60mm non core PDC diamond drill bit is has a supe...

17 1/2 inch matrix body PD

17 1/2" matrix body PDC rock bit drill bit for water well dr...

440mm hole opener for hori

440mm hole opener for horizontal directional drilling...

10 inch Tci tricone bit cu

10 inch Tci tricone bit cutters HDD Rock Reamer/Hole Opener ...

16inch rock hole opener wa

16inch rock hole opener waterbore drilling reamer...

16inch rock hole opener wa

16inch rock hole opener waterbore drilling reamer...

HDD sonde housing with pil

HDD sonde housing with pilot drill bit for horizontal direct...

26inch HDD rock reamer

26inch HDD rock reamer /Horizontal drill hole opener /rock h...

3 wings step drag bit 6 in

3 wings step drag bit 6 inch drilling drag bit for soft form...

water well drilling hole o

water well drilling hole opener reamer drill bit...