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Drill Bits
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Drill Bits
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TCI Bits
Roller cone drill bit
8-1/2” IADC 637
Roller cone drill bit
4-1/2” IADC 633
Roller cone drill bit
2-5/8” IADC 633
Roller cone drill bit
5” IADC 633
Roller cone drill bit
10-5/8” IADC 632
Roller cone drill bit
7-7/8” IADC 632
ROLLER CONE DRILL BIT
8-1/2” IADC 535M
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