PEERCHEER offers PHD wireline drill rod for use with PQ core barrel. PHD drill rod is designed for use in large size wireline core drilling and PHD drill rod offers a robust, coarse thread profile for heavy duty wireline core drilling. PHD drill rod is available for application in standard DCDMA P size hole.
PHD drill rod features:
-High quality alloy steel tubes
-Consistent concentricity, straightness and heat treatment
-Larger and deeper threads provide better durability
-PHD thread provides sufficient strength for large hole sizes
-PHD drill rod has case hardened thread.
-PHD 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.