| Product name | Mining integral drill rods or drill steel |
| Material | High-quality tungsten carbide and carbon steel |
| Process | Forging |
| Usage | Rock drilling, coal mining, and geological drilling |
| Length | 400-6000mm |
| Weight | 3.03kg/m |
| Delivery | 7-15days for sample, batch products depend on order quantity |
| Packaging | Bundled with steel wire, 5 pieces are bundled together or as client's requirement |
| Shipping | Samples are shipped by express, batch products are shipped by sea or by air |



FAQ
| Q1: What’s your delivery time? |
| A: Commonly product need 20 days to produce, within 3 days if in stock. |
| Q2: What’s methods of payments are accepted? |
| A: We agree T/T ,L/C ,West Union ,One touch ,Money Gram ,Paypal. |
| Q3: What about the Shipments? |
| A: Bases on other quantity .We can send it to you by Express ,by Air ,by Sea ,and by Train.Or send the goods to your Chinese agent. |
| Q4: How to control the quality? |
| A: We should be checking & testing everyone button bit before shipment. |
| Q5: Do you agree sample order ? |
| A: Yes ,we are welcome your sample order to testing our quality. |
| Q6: Can we select the button bit color? |
| A: Yes ,we have golden ,silvery ,black and blue for your choice. |
| Q7: Can we change to our mark on the button bit? |
| A: Yes ,we can casting your company mark on the button bit.(Except sample order) |
| Q8: Do you have after-sale service and warranty service ? |
| A: Any Quality or quantity problem once confirmed,we will be compensate you the same. Any question or problem we will be reply you within 24 hours. |
| Q9: Can I trust your company ? |
| A: Our company has been certificated by Chinese government ,and verified by Ali baba Trade Assurance. 100% refund of the Trade Assurance Amount .Ali baba can guarantee all of you payment .Just order from US ! |