9 1/2" IADC 537 Tricone Drill Head/ Water Well Tricone Bit/ Tricone Pilot Bit
- Company Name:Hebei Goldman Petroleum Machinary Co.,LTD
- Membership:Free Member
- Member Since:2018. 09.10
- Country/Region:China
- City:Hebei
- Contact:sunny
- Related Keywords:tricone bti, drill bit, drag bit, rock bit