outer tubes
outer tubes , BQ NQ HQ PQ outer tubes,1.5 meter,3 meter.
Outer tube is the main part of outer tube assembly. One end connects with adapter coupling and another end connects with reaming shell.The outer tube is used together core barrel. When drilling, the outer tube directly touch to the hole wall,and transmits the torque to the hole bottom bit .
Outer tubes are made of high-quality alloy steel with good strength, toughness and wear life.
Outer tube overview:
Standard outer tube Features:
●For use in all drilling conditions
●Available with chrome plated outer surface as an option
Full Hole outer tube Features:
●Oversized pads for improved core barrel stabilization
●For use in competent ground conditions
●Available with chrome plated outer surface as an option
Standard outer tube size Offerings:
BQ Outer-tube 1.5 M
BQ Outer-tube 3.0 M
NQ Outer-tube 1.5 M
NQ Outer-tube 3.0 M
HQ Outer-tube 1.5 M
HQ Outer-tube 3.0 M
PQ Outer-tube 1.5 M
PQ Outer-tube 3.0 M
Full Hole outer tubes Offerings:
BQ Outer-tube 1.5 M
BQ Outer-tube 3.0 M
NQ Outer-tube 1.5 M
NQ Outer-tube 3.0 M
HQ Outer-tube 1.5 M
HQ Outer-tube 3.0 M
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