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Offer Details
Drill Bit
| Offer Type: |  |
|---|---|
| Offer Group: | Petroleum machinery parts |
| Offer Post Time: | 2009-12-24 |
| Expiration Date: | 2010-06-06 |
| Details: |
The drill bit type:
(1) sort by structure and work principle: Drag drill bit roller bit Diamond bit (PDC drill bit) (2) sort by function Comprehensive drilling bit core bit Reaming bit The size series of drill bit: 3-3/4 " --- 36 " Common used diemensions: 26 ", 171/2 ", 121/4 ", 81/2 " ect. |
