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Basic information
| Product name | Ore mining tricone rock bit |
| Material | Tungsten carbide and steel |
| Size | 8 1/2" |
| IADC code | 635 |
| Connection thread | 4 1/2API |
| Weight | 38kg |
| Gauge protection | Wear-resistance carbide on lip and lug |
| Bearing type | Sealed bearing |
| Bit diameter | 216mm |
| Connection thread | 4 1/2" API |
| Weight on bit | 25500-51000Lbs |
| Rotary speed | 100-60RPM |
| Air back pressure | 0.2-0.4Mpa |
| Rock formation | For medium hard and abrasive formation with high compressive strengths. |
