8 1/2" TCI Bit
Product Description
| Products Speification | |
| Cone Size | 8 1/2" |
| Bearing Type | Elastomer Sealed Bearing |
| Tooth Type | TCI |
| Circulation Type | Mud Fluid |
| Thread Connection | 4 1/2 Reg Pin |
| Gauge Protection | Available |
| Shirttail Protection | Available |
| Operating Parameters | |
| RPM (r/min) | 80~40 |
| WOB(KN) | 108~258 |
| Application | Hard formation with high compressive strength ,such as hard shale,sandstone, dolomite, hard gypsum,chert,granite,etc. |