WIDIA Diamond Turning Insert: CNMA643
The WIDIA Diamond Turning Insert, model CNMA643 (also designated CNMA190612, MPN 4171602), is a diamond indexable turning insert. It is available in the CNMA643 and CNMA190612 geometries.
SKU 3G-OTH-255958
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Product Description
The WIDIA Diamond Turning Insert, model CNMA643 (also designated CNMA190612, MPN 4171602), is a diamond indexable turning insert. It is available in the CNMA643 and CNMA190612 geometries.
Frequently Asked Questions
What is the WIDIA CNMA643 diamond turning insert used for?
The WIDIA CNMA643 diamond turning insert is used for precision machining of non-ferrous materials, composites, and abrasive workpieces. Its diamond geometry delivers superior surface finish and tool life in turning operations across industries like aerospace and automotive.
What are the specifications of the WIDIA CNMA643 turning insert?
The WIDIA CNMA643 turning insert is also designated CNMA190612, with MPN 4171602. It is a diamond indexable insert in the CNMA643 and CNMA190612 geometries. These specifications define its cutting edge and mounting dimensions for lathe toolholders.
Where to buy WIDIA CNMA643 diamond turning inserts worldwide?
3G Electric supplies WIDIA CNMA643 diamond turning inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this WIDIA insert, MPN 4171602.
How to select the correct WIDIA diamond turning insert for my application?
Select the WIDIA CNMA643 or CNMA190612 geometry based on your workpiece material and required surface finish. Diamond inserts suit non-ferrous and abrasive materials. Consult your toolholder compatibility and cutting parameters for optimal 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.















