SUMITOMO Diamond Turning Insert: CNMM643ENP
The SUMITOMO Diamond Turning Insert, model CNMM643ENP (also referenced as CNMM190612N-MP, MPN CNMM643ENP-AC5015S), is a diamond indexable turning insert. It is available in two designations: CNMM643ENP and…
SKU 3G-OTH-260419
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Product Description
The SUMITOMO Diamond Turning Insert, model CNMM643ENP (also referenced as CNMM190612N-MP, MPN CNMM643ENP-AC5015S), is a diamond indexable turning insert. It is available in two designations: CNMM643ENP and CNMM190612N-MP.
Frequently Asked Questions
What is the SUMITOMO Diamond Turning Insert CNMM643ENP used for?
The SUMITOMO Diamond Turning Insert CNMM643ENP is used for precision turning operations on hard materials such as cast iron and hardened steels. It is commonly applied in automotive, aerospace, and general machining industries where high wear resistance and surface finish are required.
What are the specifications of the SUMITOMO CNMM643ENP insert?
The SUMITOMO CNMM643ENP insert is also designated as CNMM190612N-MP, with manufacturer part number CNMM643ENP-AC5015S. It is a diamond indexable turning insert designed for high-performance cutting. The insert features a CNMM geometry and is suitable for medium to rough turning applications.
Where to buy SUMITOMO Diamond Turning Inserts worldwide?
You can source SUMITOMO 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 CNMM643ENP-AC5015S model.
How to select the correct SUMITOMO turning insert for my application?
To select the correct SUMITOMO turning insert, match the insert geometry (e.g., CNMM643ENP) to your workpiece material and operation type. Consider cutting conditions like depth of cut and feed rate. For hard materials, the AC5015S grade offers good wear resistance. Consult your tooling engineer for specific recommendations.
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3G Electric supplies SUMITOMO diamond indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















