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Hughes Christensen Drill Bit Catalog

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A<br />

TJ <strong>Bit</strong>s<br />

For applications requiring higher weight on bit while turning<br />

at conventional rotary speed, <strong>Hughes</strong> <strong>Christensen</strong> recommends<br />

the ATJ line of bits. These elastomer sealed bits<br />

utilize the G2 bearing package which consistently<br />

comes out of the hole seal effective.<br />

Larger Seal/Enhanced<br />

Elastomer Material<br />

Precision Journal Bearing<br />

Carbide Inserts for<br />

Extra Gauge Protection<br />

Silver Plating<br />

Hard Metal Alloy<br />

Wear Pad<br />

GTX/ATX <strong>Bit</strong>s<br />

The GTX/ATX line features an O-ring sealed ball<br />

and roller bearing. These bits are recommended for<br />

high rpm drilling and directional applications where<br />

hole sections and hours on bit are reduced.<br />

Advanced Technology features make GTX/ATX<br />

an economical alternative in these applications.<br />

High RPM Elastomer Seal<br />

Motor Hardfacing<br />

(Optional)<br />

Anti-Friction<br />

High Speed Bearing<br />

Silver Plating<br />

Carbide Inserts for<br />

Extra Gauge Protection<br />

HUGHES CHRISTENSEN 27

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