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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: JS(Jinshi)
  • Model Number: AQ,BQ,NQ,HQ,PQ,
  • Type: Core Drill Bit
  • Material: Diamond
  • Use: Metal Drilling

Packaging & Delivery

Packaging Details cartons



Reaming shell is set with natural or synthetic diamond, and it is used to couple the drill bit with the core barrel.


 Its main function is to ream the hole to the correct constant specific diameter which ensures adequate clearance for the core barrel and sufficient clearance for the new bit which replaces an old one. It also acts as a stabilizer for drill bit.


Size Available:
Wireline Series:      A,B,N,H,P    (Front end  & Back end Type)
T Series:        T36,T46,T56,T66,T76,T86

All Chinese standard size

we also can make diffrerent size on the request from client










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:
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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