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