100% new good Tricone bits & TCI drill bit for petroleum drill2015-11-18 09:05:17 |
New designed three-wings drill bit Manufacturer2015-11-18 23:14:30 |
12-1/4 TD616N6 Diamond Drill Bit2015-11-18 22:57:43 |
17 1/2"roller cone rotary tools rock drill bit used tci tricone bit2016-01-07 18:46:57 |
API Kingdream Journal Bearing Rock Drill Bit2015-11-18 09:11:41 |
tricone bit/tricone rock drill bit/steel tooth tricone bit2015-11-18 09:11:42 |