| Basical Specification |
| Size of Rock Bit |
8 1/2 inches |
| 215.9mm |
| IADC Code |
637G |
| Thread Connection |
4 1/2 API reg pin |
| Factory Series |
KA Series Elastomer sealed bearing |
| Operating Parameters |
| WOB (Weight On Bit) |
24284~58283lbs |
| 108~259KN |
| RPM |
80~40 |
| Formation |
Hard formation with high compressive strength ,such as limestone,sandstone,dolomite,hard gypsum,marble,etc. |
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| Payment Terms︰ | T/T |
| Lead Time︰ | 2 days after got your payment |
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