100% new good Tricone bits & TCI drill bit for petroleum drill2015-11-18 09:05:17 |
button tricone drill bit for water well/API standard tricone bit/TCI BIT2015-11-18 23:02:20 |
HJ IADC127 steel tooth tricone bit /tricone roller bit2015-11-18 23:02:42 |
17 1/2inch milled teeth bit for soft rock /steel tooth bit/tricone bit2018-04-03 14:17:26 |