Core barrel-Roller bits


Dia:520-3000mm

Materials: Q355B

Kelly box: 130/150/200/250mm

Wear protection: Hard facing or wear strips

Application:Core barrel equipped with roller cutter bits, generally used to cut very hard fractured,hard rock formation with compressive strength up to 200MPa

Features:

Shell height: as customers request, for example increased to 1500/2000mm, to increase the drilling volume and the work efficiency.

Teeth: B47K22 or B40K12 or upon request.

Wear protection: Hard facing-Wear strip-Betek Stungstuds upon request

Structure: Cutting ring with tungsten roller bits welded into the based ring of core barrel. Single roller bit c/w bearing and carbide insert IADC 637/737- DIAM 8.5 inch.


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Parameters


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Workshop & Producing line


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Welding details


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Quality control


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Package & Delivery


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What we suppply?


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