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Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: JS
  • Model Number: NQ HQ PQ NQ3 HQ3
  • Type: Drill Bit, Drill Bit
  • Machine Type: Drilling Tool, Drilling Tool
  • Certification: ISO
  • Material: Carbon Steel
  • Processing Type: Forging
  • Use: Ore Mining, ore mining

Packaging & Delivery

Packaging Details Packed in wooden carton or steel carton
Delivery Time one week
Product Description


To select the right bit for the job, assess the speed and power of your drill for the size and depths of the holes to be drilled and assess ground conditions such as rock type/formation and down-hole conditions.


JS bits are available in all standard drilling sizes . Also, non-standard sized bits can be produced according to requirements from clients.

Crown Height:
JS offers crown impreg depths of  9mm, 12mm, and 25mm .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.

Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.



standard threads as well as regional thread types required by clients are available.



Our diamond bits and reaming shells are designed to be compatible with all standard core barrels from other suppliers.

JS impregnated bits matrices can be selected  according to the chart below 



Packaging & Shipping

each bit is packed in an individual carton box with cover

Our Services

Jinshi will response in 8 hours to the problems caused by our products. When necessity arises inside the country, technical support will arrive in 24 hours within a 1000 kilometers radius of the company, will arrive in 48 hours for other parts of China. Due to the limitation of branch offices in foreign countries, technical support will arrive your work site in 15 days after visa is issued.




Transaction History of the Supplier

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Transaction Overview


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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
3 Transactions 6,000+
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 $76,000
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