HRQ Wireline Drill Rods Diamond Coring HRC 55 Thread Drill Rod

PEERCHEER offers HRQ NWL wireline drill rod for use with HQ core barrel. HRQ
drill rod is ideal for use in wireline core drilling and is available for
application in standard DCDMA H size hole.

HRQ drill rod features:

TUBES

-High quality alloy steel tubes

-Consistent concentricity, straightness and heat treatment

THREAD

-Tapered and course threads provides easy make and break

-Course HRQ thread provides sufficient strength

-Provide additional load efficiency of 50% for the demanding conditions

CASE HARDENDING

-HRQ drill rod has case hardened thread.

-HRQ drill rod pin thread crest is hardened to nominal HRC 55 to eliminate
damaging adhesion wear

-Eliminates the transfer of wear material back and forth which is what happens

between threads of equal hardness, leading to large scale galling and joint
seizing.





HRQ drill rod configuration:



1-HRQ drill rod overview

2-HRQ drill rod box and pin thread profile

3-HRQ drill rod case hardened illustration



NOTE:

(1)1.5m/5ft and 3m/10ft HRQ drill rods are available



HRQ Rod Nonimal Parameter Metric Imperial
HRQ Drill Rod OD 88.9mm 3.500in
HRQ Drill Rod ID 77.8mm 3.063in
HRQ Drill Rod Weight 34.5kg/3m 76.9lb/3m
HRQ Drill Rod Thread Pitch 8.5mm 3/in
HRQ Drill Rod Pin Thread Length 41.9mm 1.65in

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