NQU head assembly, NQU quick pump-in head assembly, NQU underground head assembly.
NQU head assembly is the main part of NQU core barrel. NQU head assembly is used together with NQ inner tube, NQ stop ring, NQ core lifter, NQ core lifter case. They compose the NQU inner tube assembly. NQU quick pump-in head assembly has all the features of NQ head assembly, and it is more suitable for the underground large angle drilling.
NQU Head Assembly
NOTE:
*MKII NQU spearhead assembly is also available.