Tricon 6 1/2" New Varel CH-34 Sealed Bearing TCI

Tricon 6 1/2" New Varel CH-34 Sealed Bearing TCI
6 1/2" New Varel CH-34 Sealed Bearing TCI bit (same as above) these bits should run about 100 hrs + in optimum drilling conditions.
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6 1/2" New Varel CH-34 Sealed Bearing TCI bit (same as above) these bits should run about 100 hrs + in optimum drilling conditions.
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