SUMITOMO Diamond Turning Insert: CNMA643
The SUMITOMO Diamond Turning Insert, model CNMA643 (also referenced as CNMA190612), is a diamond indexable turning insert with manufacturer part number CNMA643-AC700G. It is designed for precision machining applications.
SKU 3G-OTH-258111
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Product Description
The SUMITOMO Diamond Turning Insert, model CNMA643 (also referenced as CNMA190612), is a diamond indexable turning insert with manufacturer part number CNMA643-AC700G. It is designed for precision machining applications.
Frequently Asked Questions
What is the SUMITOMO CNMA643 diamond turning insert used for?
The SUMITOMO CNMA643 (CNMA190612) diamond indexable turning insert is used for precision machining of non-ferrous materials, such as aluminum alloys and composites. It delivers high surface finish and dimensional accuracy in turning, boring, and facing operations on CNC lathes and machining centers.
What are the specifications of the SUMITOMO CNMA643-AC700G insert?
The SUMITOMO CNMA643-AC700G is a diamond indexable turning insert with model numbers CNMA643 and CNMA190612. It features a CNMA geometry for general-purpose turning. The AC700G grade is designed for wear resistance and edge strength in non-ferrous machining. Always verify dimensions with the manufacturer's catalog.
Where to buy SUMITOMO CNMA643 diamond turning inserts worldwide?
You can source SUMITOMO CNMA643-AC700G diamond turning inserts worldwide through 3G Electric. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SUMITOMO insert.
How to select the correct SUMITOMO diamond turning insert for my application?
To select the correct SUMITOMO diamond turning insert, match the insert shape, size, and grade to your workpiece material and operation. The CNMA643 is suitable for general turning of non-ferrous metals. Consult the SUMITOMO technical catalog for feed, speed, and depth-of-cut recommendations. 3G Electric can assist with sourcing the right insert.
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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.















