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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: RUILONG
  • Model Number: Made-to-order
  • Type: Drill Bit
  • Machine Type: Drilling Tool
  • Certification: ISO9001
  • Material: Carbide
  • Processing Type: Casting
  • Use: Coal Mining
  • Diameter: 25~32mm, 42mm.43mm.44mm. etc

Packaging & Delivery

Packaging Details carton/wooden box- mining machinery spare parts conical cross rock bit
Delivery Time 1-15days
Product Description


1. High wear resistance and impact-resistance toughness. 
2. To repeat repair & greaning are not necessary, long drill life. 
3. High efficiency could be promoted sharply in penetration of high-medium hard rock formation. 
4. Labour intensity could be reduced. 
5. Rock formation to be suitable t: F=4-12 

We can manufacture all kinds of bits and shells according to customer's special requirement. 

Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship



   Apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc. 








1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

  Based on order quantity, normally it takes 25 days for production.

  Only 2 or 3 days if we have stock on your request size.

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5. After Services:

  1. Our sales team will response for your question within 24 hours (Holidays Excluded)

  2. Technical Support will be available in any time

  3. Free replacement will provide once the failure confirmed caused by our product quality


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
4 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $136,000
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