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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: JINRUI
  • Model Number: JR144
  • Material: Carbide
  • Diameter: 3-10mm
  • Type: End Mill
  • Coating: no coating
  • Overall Length: 38-50mm
  • flute length: 13-30mm
  • shank dia: 13-30mm
  • material brand: Kenna, Sumitomo
  • type 1: diamond
  • type 2: fish tail
  • for 1: PCB
  • for 2: synthetic stone
  • for 3: density board
  • for 4: granite
  • for 5: marble

Packaging & Delivery

Packaging Details Package of CNC cutters
1pc/polybox + carton(as per customer's requirements)
Delivery Time 5days after receiving the payment


1.solid carbide
2.good quality
3. long service life
4. diamond type

PCB Router Bits

JINRUI carries a complete range of solid carbide router bits or PCB routers as they are more commonly known. PCB router bits are used for machining high tech composite materials. Whether you are routing printed circuit boards, insulating parts, de-panelizing PCB’s, trimming carbon fiber helmets or aircraft parts Jinrui Precision Carbide Technology has the right style and diameters to help you get the job done.


Some of the materials these PCB router bits machine are: G10 epoxy fiberglass, “Garolite”, FR4, Phenolic, Polyamide, G11, Carbon Fiber laminates, paper or glass cloth-based composites, ceramics and more, either with or without copper cladding. Typically they are used in CNC equipment with high speed spindles. Many of these tools are used on equipment made by Excellon, Cencorp, ASYS, Precision PCB, Kenard, Paul Dozier, Sayaka, JOT, LPKF, OZO, Autolink, Seika Machinery, Techno, Elite Automatic and ATI Depaneling Routers. Alternatively they are used in manual mills and in hand-held spindles such as Dremel’s trimmers.


Diamond cut router bits are the traditional style for routing PCB’s and epoxy glass laminates. They offer long life excellent finish and good productivity. Chipbreaker style are used when higher federates are called for and for certain “softer” materials that benefit from the multi-fluted design. But as a rule the diamond cut routers are the choice used by our customers for composite laminate materials.


With the exception of our router bits can come standard with the plastic set rings at no additional charge. Please let us know in the special instruction section when ordering if you do not want them installed.



Standard size

Our standard carbide drills cover the diameter range from 0.05mm to 7.50mm, routers from 0.20mm to 6.5mm, and end mill from 0.5mm to 22mm, meeting the international manufacturing management and quality standards.


Customized size

Our factory can manufacture the products as per customer's specification or samples. OEM is welcomed!



 Walter Helitronic Power from Germany

CNC620 from Switzerland

KJ-1000 from Taiwan




JR144  V groove router bit


DescriptionItem no.d
V-shape PCB router bit
material: tungsten carbideJR1443.7135.513




 Package of PCB router bits







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