17 1/2" Rock bit
17.5" Rock bit
keyword:
rock bit
tricone bit
reamer
hdd reamer
bit for well drill
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Regular Models
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| PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China