WIDIA Diamond Turning Insert: CNMG642RH
The WIDIA Diamond Turning Insert, model CNMG642RH (also designated CNMG190608RH, MPN 4171703), is a diamond indexable turning insert. It is available in the CNMG642RH and CNMG190608RH specifications.
SKU 3G-OTH-260632
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Product Description
The WIDIA Diamond Turning Insert, model CNMG642RH (also designated CNMG190608RH, MPN 4171703), is a diamond indexable turning insert. It is available in the CNMG642RH and CNMG190608RH specifications.
Frequently Asked Questions
What is the WIDIA CNMG642RH diamond turning insert used for?
The WIDIA CNMG642RH (also CNMG190608RH, MPN 4171703) is a diamond indexable turning insert used for precision machining of non-ferrous materials, composites, and abrasive alloys. It delivers long tool life and consistent surface finish in turning, facing, and boring operations across general engineering and automotive applications.
What are the specifications of the WIDIA CNMG190608RH insert?
The WIDIA CNMG190608RH (MPN 4171703) is a diamond indexable turning insert with designations CNMG642RH and CNMG190608RH. It features a 80° rhombic shape, negative rake geometry, and a chipbreaker suitable for medium to finishing cuts. Exact dimensions follow ISO standards for CNMG inserts.
Where to buy WIDIA diamond turning inserts worldwide?
3G Electric supplies the WIDIA CNMG642RH/CNMG190608RH (MPN 4171703) diamond turning insert to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision cutting tool.
How to select the correct WIDIA turning insert grade?
Selecting the correct WIDIA turning insert grade depends on workpiece material, hardness, and cutting conditions. For non-ferrous and abrasive materials, diamond (PCD) inserts like the CNMG642RH provide superior wear resistance. Consult WIDIA's grade selection guide or contact 3G Electric for application-specific recommendations.
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3G Electric supplies WIDIA diamond indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















