SUMITOMO Diamond Turning Insert: CNMA433
The SUMITOMO Diamond Turning Insert, model CNMA433 (also referenced as CNMA120412, MPN CNMA433-AC420K), is a diamond indexable turning insert designed for machining operations. Key specifications include the CNMA433…
SKU 3G-OTH-256463
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Product Description
The SUMITOMO Diamond Turning Insert, model CNMA433 (also referenced as CNMA120412, MPN CNMA433-AC420K), is a diamond indexable turning insert designed for machining operations. Key specifications include the CNMA433 and CNMA120412 designations.
Frequently Asked Questions
What is the SUMITOMO CNMA433 diamond turning insert used for?
The SUMITOMO CNMA433 diamond indexable turning insert is used for precision machining of non-ferrous materials, such as aluminum alloys and copper. It is commonly applied in automotive, aerospace, and general manufacturing for finishing and semi-finishing operations where tight tolerances and superior surface finish are required.
What are the specifications of the SUMITOMO CNMA433-AC420K insert?
The SUMITOMO CNMA433-AC420K is a diamond indexable turning insert with designations CNMA433 and CNMA120412. The manufacturer part number is CNMA433-AC420K. It is designed for use in turning and boring applications on CNC lathes, offering high wear resistance and consistent cutting performance.
Where to buy SUMITOMO diamond turning inserts worldwide?
You can source SUMITOMO diamond turning inserts, including the CNMA433-AC420K, through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.
How to select the correct SUMITOMO diamond turning insert for your application?
To select the correct SUMITOMO diamond turning insert, match the insert geometry (e.g., CNMA433) to your workpiece material and operation. For non-ferrous finishing, the CNMA433-AC420K is suitable. Ensure your tool holder accepts the CNMA433 or CNMA120412 size. Consult the SUMITOMO catalog for feed and speed 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.















