WIDIA Diamond Turning Insert: CNMG643MR
The WIDIA Diamond Turning Insert, model CNMG643MR (also designated CNMG190612MR, MPN 4173136), is a diamond indexable turning insert. It is available in the CNMG643MR and CNMG190612MR specifications.
SKU 3G-OTH-259999
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Product Description
The WIDIA Diamond Turning Insert, model CNMG643MR (also designated CNMG190612MR, MPN 4173136), is a diamond indexable turning insert. It is available in the CNMG643MR and CNMG190612MR specifications.
Frequently Asked Questions
What is the WIDIA CNMG643MR diamond turning insert used for?
The WIDIA CNMG643MR diamond turning insert is used for precision machining of non-ferrous materials, composites, and abrasive alloys. It is commonly applied in automotive, aerospace, and general manufacturing for turning, facing, and boring operations where high surface finish and tool life are required.
What are the specifications of the WIDIA CNMG190612MR insert?
The WIDIA CNMG190612MR insert is the metric designation for the same product as CNMG643MR, with MPN 4173136. It is a diamond indexable turning insert designed for high-performance cutting. The insert geometry supports efficient chip control and consistent machining in demanding industrial applications.
Where to buy WIDIA diamond turning inserts worldwide?
You can source WIDIA diamond turning inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the CNMG643MR or CNMG190612MR insert.
How to select the correct WIDIA diamond turning insert for my application?
To select the correct WIDIA diamond turning insert, match the insert geometry (CNMG643MR or CNMG190612MR) to your workpiece material and operation. Diamond inserts are ideal for non-ferrous and abrasive materials. Consult your machine tool specifications and cutting parameters to ensure proper fit and performance.
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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.















