With rich experience of on cemented carbide manufacturing,Minetech produces high quality and stability.Extension rods are made by hollow drill steels. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling.And the threads can be used for connecting couplings, shanks, couplings or bits.
Coal Mining,rock drilling,Quarry.
1. CNC machining and advanced heat threatment .
2. We can supply full range of the Hexagonal and Round drill rods.
Product Name: | Extension rod / Drift rod |
Description: | Extension rod Thread drill rod Made with best quality carbon steel bar, through heat treatment like famous brands |
Material: | carbon steel bar |
MOQ: | 5pcs |
Body Type | Round shape and hexagonal type |
Thread type | T38 |
Diameter | Hex25,Hex28,Rd32,Rd38,Rd45,Rd51 |
Type | Thread Extension Rod and MF rod |
Length | 600mm-6400mm |