rock bit
1. Sizes rang from 2 7/8" to 26", 2. Reliable bearing system, 3.Fast drilling rate, 4. long operating life, 5.SGS Certificate - details see: https://www.machineto.com/rock-bit-10317387
| Place of Origin:Hebei China (Mainland) | Brand Name:Tengda | Model Number:17 1/2TDHA637 | Type:Drill Bit |
| Machine Type:Drilling Tool | Certification:SGS | Material:Carbon Steel | Processing Type:Forging |
| Use:Ore Mining | Type of bearings:Sliding Bearing and roller bearing | Types of Sealing:Rubber Rings and metal rings | Color:black, blue or as you request |
| IADC code:international standard | formation:soft to hard formation |
If you have any questions, contact us
| Packaging Detail:wooden case, steel case or as you like |
| Delivery Detail:within 5 days after deposits |
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