Drill bit 219mm

90029660

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Drill bit 219mm

Drill bit 219mm


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Data sheet

Bit diameter219mm
ButtonsSpherical
Bit frontConcave
Hammer Shank typeCOP66

More info

Applications: Medium hard to hard formations. Less abrasive, fractured formations. Excellent control over hole deviation.

Design feature: HD - larger gauge buttons. DGR - double (overlapPing) gauge row. Only from 8".

Typical formations: Granite, hard limestone, basalt.