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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: JINRUI
  • Model Number: JR122
  • Type: Countersink Drill Bit
  • Material: Tungsten Carbide
  • Use: Metal Drilling
  • Can be coating?: Yes
  • Flute diameter: 3mm-9mm
  • Flute length: 3mm-12mm
  • Shank Diameter: 3.175mm
  • Overall Length: 38mm
  • Angle: 90°
  • Raw material: Kennametal (America) or Sumitomo (Japan) or guhring (Germany)
  • Product name: JR122 3mm-9mm tungsten carbide countersink drill
  • Scope of application: metal base boards and pcb circuit drill
  • Scope of business: OEM; FOB, CIF, C&F is welcome

Packaging & Delivery

Packaging Details Packages of 3mm-9mm tungsten carbide countersink drill:
1pc/polybox + carton (as per customer's requirements)
Delivery Time 5 days after receiving the payment


JR122 tungsten carbide countersink drill:
2.OEM is ok;
3.Super hard;
4.Import raw materials.



1. Standard Size / Specification

DescriptionItem no. d1
3mm-9mm tungsten carbide countersink drillJR122-300333.175 90°38
JR122-400453.175 90°38
JR122-500563.175 90°38
JR122-600683.175 90°38
material: tungsten carbideJR122-700783.175 90°45
JR122-8008103.175 90°50
JR122-9009123.175 90°50

JR122 3mm-9mm tungsten carbide countersink drill

  countersink drill |  carbide countersink drill | tungsten carbide countersink drill

2. Structural drawings

Packaging & Shipping & equipment

1. Packaging (Four steps only and three packaging schemes!)


2.Equipments of ours

-Walter Helitronic Power from Germany
-CNC620 from Switzerland
-KJ-1000 from Taiwan

3. Our type of shipping

We offer as many shipping options as possible which including TNT, UPS, DHL, Fedex and EMS etc.

If you want shipped by sea, pls inform us in advance.

Currently, we can do FOB HK/SHENZHEN and Ex-W SHENZHEN.

For any other delivery terms, please feel free to contact salesman leven.

Our Services


1. We can manufacture tools according to your needs(sample or drawing welcomed)

2. Primary competitive advantages are well and high quality control \ prompt delivery\competitive prices \  OEM  accepted

3. We can also manufacture spherical milling cutting tool.forming milling cutter,tungsten end mill,carbide end mill


4. Raw material from Kennametal (America) or Sumitomo (Japan) or guhring (Germany)

5. Application:Applied in aerospace, cars, horologe, stainless,glass,cellphone, electron and medical apparatus and instruments.



Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

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Transaction Value
Transaction Date
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Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
10 Transactions 20,000+
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 $30,000
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