| Customization: | Available |
|---|---|
| Standard: | API |
| Length: | 6.10-7.01m |
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The drill rod is the tool used to connect the drill bit and the rock drilling in the tunnel engineering. The drill rods generally used in mine tunnel engineering are hexagonal hollow steel and hollow round steel. The inner diameter of the hexagonal hollow steel is 22mm and 25mm, and the outer diameter of the hollow round steel is 32mm and 38mm. For making steel drills, the finished drills are forged according to a certain length and then directly installed on the drill bit. Then install the drill bit chisel.
Shandong Yikuang Drilling and Mining Technology Co., Ltd. is a high-tech enterprise integrating technical development in the fields of geological drilling, coal mining, engineering anchoring, gas and dust disaster control, and equipment manufacturing, sales and technical services.
We have obtained certificate of ISO9001*Yikuang is professional production of drilling tools, if you want to know more about our products, please feel free to contact us!
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