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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: Diamond
  • Model Number: MGMN 300
  • PCBN material: imported from E6, DI
  • Test samples: free
  • edge processing: chamfer
  • Code: pcbn grooving tools
  • PCBN cutting edge: two cbn tips
  • Material: PCBN blade
  • OEM&OEM: available
  • place of origin: chengdu,China
  • name: cnc tool
  • product name: cbn grooving insert cnc cutting tool cnc tool

Packaging & Delivery

Packaging Details 10 pcs in a plastic box inside,carton box outside
Delivery Time 3-5 days


cbn grooving insert cnc cutting tool cnc tool:
1.PCBN blank from DI,E6
2.Hardness:2500-4500 HV
3.Workpiece hardness:HRC

Chengdu Diamond Tools Co., Ltd: 26 Years Professional Manufacturer:      

MGMN 300 cbn grooving insert cnc cutting tool cnc tool :   

 1. Application: Our pcbn inserts , pcbn grooving tools are used for Hardened steel (HRC50-67),Carbide with Co% wt>15 HRA80-88. Suitable for heavy interrupted and rough machining on hardened steel, grey cast iron, chill cast iron, powder metallurgy work-piece, thermal spray coating workpiece and others,


2.Engineering Features:

High hardness and abrasive resistance.   

High thermo stability and high heat resistance. High chemical resistance stability.

Replaces grinding with turning with work efficiency improved by 5 to 10 times.

Dry cutting without cutting fluid to avoid environmental pollutiion.

High speed cutting and high precision machining. 


Free samples:                                                                                                          

 Diamond branded PCBN grooving tools will be provided free of charges for your trial testing, since seeing is believing.


Quality guarantee:                                                                                                

  Strictly quliaty control processing in factory. and we promise to return back your payment or replace the products all at our costs in case of any problem.



Selection table for cbn grooving inserts cnc tool:                                

More CBN PCD inserts will be available:                                                 


Machining parameters:                                                                                


Scope of Application

Cutting speed V (m/min)

Feed rate F (mm/rev)

Depth of cutting D (mm)

Hardened Steel: HRC 50-67




Gray cast iron: About HB200




High hardness cast iron: HRC 50-64




Powder metallurgy work-piece




Thermal spray coating work-piece




Other (such as Co>15%wt carbide HRA=80-88)






 Main Equipments and customer visiting:                                              

Why us Diamond?                                                                                     

  •   26 years experience in the cutting tool industry
  •   Grinding and inspection equipments imported from UK, Germany and Japan
  •   Full stock available for urgent demands
  •   ISO, TUV and SGS certificates
  •   Response within 12 hours in 365 days
  •   Sample for testing before ordering
  •   FREE after-sale service


Return Policy:                                                                                                

1. In case you receive the shipment in bad condition, we can make a refund or replace the products as our costs to you.

2. In case your machining productivity is unsatisfactory, pls feel free to send us feedback, we improve our tools according to your working piece and machining condition, and then resend you the samples free for further testing.


Welcome to our factory for visiting and inspection, as the saying goes: seeing is believing.

Email us at fuyuanzhou at cndiamond.com.cn for any assistance!

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