Dia:520-3000mm
Materials: Q355B
Kelly box: 130/150/200/250mm
Wear protection: Hard facing or wear strips
Application:Generally used to cut low fractures hard rock formation and partially fragmented medium hard rock formation up to 100 Mpa, suitable for cutting through fissured rock.
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 round shank picks with picks holders welded to the base ring.
Parameters
Workshop & Producing line
Welding details
Quality control
Package & Delivery
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