SUMITOMO Diamond Turning Insert: CNMA432
The SUMITOMO Diamond Turning Insert, model CNMA432 (also designated CNMA120408), is a diamond indexable turning insert. It is identified by manufacturer part number CNMA432-AC420K and is designed for industrial…
SKU 3G-OTH-256452
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Product Description
The SUMITOMO Diamond Turning Insert, model CNMA432 (also designated CNMA120408), is a diamond indexable turning insert. It is identified by manufacturer part number CNMA432-AC420K and is designed for industrial turning applications.
Frequently Asked Questions
What is the SUMITOMO CNMA432 diamond turning insert used for?
The SUMITOMO CNMA432 (CNMA120408) diamond indexable turning insert is used for precision turning operations on non-ferrous materials, composites, and abrasive plastics. It delivers a fine surface finish and long tool life in industrial machining applications across automotive, aerospace, and general engineering sectors.
What are the specifications of the SUMITOMO CNMA432-AC420K insert?
The SUMITOMO CNMA432-AC420K insert has designations CNMA432 and CNMA120408. It is a diamond indexable turning insert with manufacturer part number CNMA432-AC420K. For detailed geometry, grade, and coating specifications, consult the SUMITOMO technical data sheet or contact 3G Electric for application support.
Where to buy SUMITOMO CNMA432 diamond turning inserts worldwide?
3G Electric supplies SUMITOMO CNMA432-AC420K diamond turning inserts to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine SUMITOMO inserts for turning applications. Contact us for pricing and lead time.
How to select the correct SUMITOMO diamond turning insert for my application?
To select the correct SUMITOMO diamond turning insert, match the insert geometry (CNMA432/CNMA120408) to your tool holder pocket, and choose the grade (e.g., AC420K) based on workpiece material and cutting conditions. Consult the SUMITOMO application guide or contact 3G Electric for technical assistance.
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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.















