SUMITOMO Diamond Turning Insert: CNMG646EEM
The SUMITOMO Diamond Turning Insert, model CNMG646EEM (also referenced as CNMG190624N-EM, MPN CNMG646EEM-AC5015S), is a diamond indexable turning insert. It is available in two part number designations: CNMG646EEM…
SKU 3G-OTH-261738
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Product Description
The SUMITOMO Diamond Turning Insert, model CNMG646EEM (also referenced as CNMG190624N-EM, MPN CNMG646EEM-AC5015S), is a diamond indexable turning insert. It is available in two part number designations: CNMG646EEM and CNMG190624N-EM.
Frequently Asked Questions
What is the SUMITOMO Diamond Turning Insert CNMG646EEM used for?
The SUMITOMO Diamond Turning Insert CNMG646EEM is used for precision turning and finishing of non-ferrous materials, such as aluminum alloys and copper. Its diamond grade provides high wear resistance and a superior surface finish in automotive, aerospace, and general machining applications.
What are the specifications of the SUMITOMO CNMG646EEM insert?
The SUMITOMO CNMG646EEM insert is also designated as CNMG190624N-EM, with manufacturer part number CNMG646EEM-AC5015S. It is a diamond indexable turning insert designed for high-performance machining. The AC5015S grade offers excellent edge toughness and thermal stability for consistent cutting results.
Where to buy SUMITOMO Diamond Turning Inserts worldwide?
You can source SUMITOMO 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 the CNMG646EEM-AC5015S insert.
How to select the correct SUMITOMO turning insert for my application?
To select the correct SUMITOMO turning insert, match the insert geometry (CNMG) and size (646EEM) to your tool holder. Consider material hardness and cutting conditions. The diamond grade AC5015S is ideal for non-ferrous materials. Consult your tooling engineer or contact 3G Electric for guidance on the CNMG190624N-EM variant.
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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.








