8 1/2″ IADC537 TCI roller cutter

Medium soft with low compressive strength and harder abrasive stringers, such as hard shale, hard gypolyte, soft limestone, sandstone, and dolomite with stringers, etc.

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Carbide Teeth

Ranking chooses high-quality customized carbide teeth, more wear resistance than ordinary teeth, 38% cost saving per meter.

Hard-coated with a hard alloy layer

Add roller and cone wear resistance, So increase the using life of the roller.


This reduces wear and tear and improve the use of the drill bit compared to traditional processes.

Raw material

100% raw steel material to produce roller and cold pressing process for carbide drill.

Gauge protection

Fully welding for gauge protection
Carbide teeth fully covered, greatly reduce the wear resistance of roller gauge. Increase the service life of the roller.


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