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| Categories | Coal Mining Drill Bits | 
|---|---|
| Brand Name: | MIROC by KSQ | 
| Model Number: | Coal Mining Drill Bits | 
| Certification: | ISO9001 | 
| Place of Origin: | China (Mainland) | 
| MOQ: | 50 pcs | 
| Price: | Negotiable | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 100000pcs per year | 
| Delivery Time: | 5-15 Work Days | 
| Packaging Details: | Plywooden Box | 
| Model Type: | Coal Mining Drill Bits | 
| Materal: | Carbon Steel | 
| Processing Type: | Forging | 
| Diameter: | 26-42mm | 
| Use: | Coal Mining | 
| Application: | Coal Mining, Ore mining | 
| Machine Type: | Drilling Equipment | 
| Color: | Black | 
Tungsten Carbide Drill Bit 30MM Coaling Mining Drill Bit For Coal Mining Use
1. Product Description:
| Grade | Physical Properties (Typical) | Recommended Applications | ||
| Density | Hardness | Transverse Rupture Strength | ||
| g/cm3 | HRA | N/mm2 | ||
| ZD10U | 14.9-15.0 | 90.2 | 2800 | Suitable for making button bits of the small to medium impact drills to drill the soft, medium hard and hard rocks. | 
| ZD15 | 14.7-14.9 | 89.2 | 2700 | Suitable for making impact drill and sink hole drill button bits to drill all kinds of the medium hard to hard rocks. | 
| ZD30 | 14.4-14.6 | 87.6 | 2600 | Suitable to be used as drilling bits and buttons for impacting drilling tools or buttons for cog drilling tools in mining industry to drill medium-hard to hard rocks. | 
| ZD30.2 | 14.4-14.6 | 87.4 | 2500 | Suitable to be used as drilling bits, buttons for impacting rotary drilling tools in mining industry to drill medium-hard rocks. | 
2. More Specification:

3. Application:
Tungsten carbide drill bit mainly are: Water exploration drill bit,coal mining drill bit,soft rock drill bit,composed drill bit and reaming drill bit.
4. Product Process:

5. Packaging:

6. Our Service:
| Free sample is availabe | We can send you some of our products for you reference which is free. | 
| OEM & ODM service | You give us your requirements and specifications and we can make the product as you required. We can also help you to design the products.  | 
| Good After-sale Service | We guarantee that all the products we send out are qualified products, if there is any quality problem we'll remake them for you. | 
| Good On-line Service | If you have any question, please feel free to contact us, we'll answer to you as soon as possible. | 

7. Exhibitions:

8. Why Choose Us?
                                 
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