Drilling tools

Our main products are: drill collar, spiral drill collar, integral heavy wall drill pipe,  square and hexagonal Kelly, spiral heavy wall drill pipe, cross-over subs and; lifting subs. All drill tools manufactured by Hengshan are in strict accordance with SY/T 5144-2008 andNew technologies for drilling tools: 

1. New laser quenching technology for drill collar connection thread

2. Research and development of efficient and gall-resistant drill collar