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product: 8 1/2" tricone bit
type: tungsten carbide inserted
IADC code: 537
connection thread: 4 1/2" API Reg pin
application: water well, oil well, geothermal, geological, horizontal directional drilling, etc
suitable formation: medium hard rock formation
weight: 42kg

The mail products we can provide: tricone bit, PDC bit, drag bit, single roller cone, rock hole opener, etc.