Hughes Christensen Drill Bit Catalog
Hughes Christensen Drill Bit Catalog
Hughes Christensen Drill Bit Catalog
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Standard<br />
HardRok<br />
More Efficient Nose Area<br />
HardRok bits employ a new cutter<br />
orientation for better bottom hole<br />
coverage. New, sharper compacts with<br />
increased projection have been added to<br />
the nose area to increase the bit’s<br />
aggressiveness without<br />
giving up durability.<br />
Standard<br />
HardRok<br />
Tougher Heel and Gauge<br />
HardRok incorporates up to 100% more<br />
carbide in a double gauge row configuration.<br />
Gauge compacts are now positioned<br />
closer to the edge of the heel. In this<br />
position they hold gauge, assist the heel<br />
row drilling formation and maintain drilling<br />
effectiveness as the bit wears.<br />
More Durable<br />
Compact Shape<br />
Many HardRok bits<br />
utilize a new double angle<br />
conical compact. This<br />
new geometry provides<br />
a sharper nose radius and<br />
better load distribution.<br />
New Wear<br />
Resistant Carbide<br />
HardRok bits use compacts<br />
made with a new wear resistant<br />
carbide that resists crack<br />
propagation, lowering the<br />
probability for tooth fracture.<br />
BOSS Stabilization<br />
With six-point contact with the borehole<br />
wall, HardRok bits are cushioned<br />
against vibrating forces, protecting the<br />
cutting structure from damaging blows.<br />
Tucked Shirttails<br />
Shirttails have been pulled<br />
away from the hole wall,<br />
providing more room for cuttings<br />
removal while reducing<br />
friction generated heat.<br />
HUGHES CHRISTENSEN 23
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