8 1/2 Inches Roller Cutter IADC637 API Standard For Hard Rocks Core Barrel
Tlhaloso ea Sehlahisoa
Li-parameter tse sebetsang
Li-roller cutters tse sebelisetsoang ho etsa libopeho tse thata tse nang le matla a phahameng a khatello, joalo ka sandstone, shale e thata, dolomite, gypsum e thata, chert, granite, joalo-joalo.
| Boholo ba Cone | 133 limilimithara |
| Mofuta oa Bearing | Tiisitsoe Journal Bearing |
| Sebopeho sa Meno/Meno | Conical-bolo |
| Tse Kenya/Meno(Cone 1) | 49 * 13 limilimithara |
| Tse Kenya/Meno(Cone 2) | 50 * 13 limilimithara |
| Tse Kenya/Meno(Cone 3) | 45 * 13 limilimithara |
| Boitsebiso ba Cone | 15MnNi4Mo |
| Lisebelisoa tsa Arm | 15CrNiMo |
| Sistimi ea Matšeliso ea Kerese | E fumaneha |
| Tšireletso ea Gauge | E fumaneha |
| Tšireletso ea Shirttail | E fumaneha |











