SUMITOMO Diamond Turning Insert: CNMG431EGE
The SUMITOMO Diamond Turning Insert, model CNMG431EGE (also referenced as CNMG120404NGE, MPN CNMG431EGE-AC820P), is a diamond indexable turning insert. It is available in two designations: CNMG431EGE and CNMG120404NGE.
SKU 3G-OTH-256319
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Product Description
The SUMITOMO Diamond Turning Insert, model CNMG431EGE (also referenced as CNMG120404NGE, MPN CNMG431EGE-AC820P), is a diamond indexable turning insert. It is available in two designations: CNMG431EGE and CNMG120404NGE.
Frequently Asked Questions
What is the SUMITOMO CNMG431EGE diamond turning insert used for?
The SUMITOMO CNMG431EGE (also CNMG120404NGE) is a diamond indexable turning insert designed for precision machining of non-ferrous materials, composites, and abrasive alloys. It is commonly used in CNC lathe operations for finishing and semi-finishing cuts where surface finish and tool life are critical.
What are the specifications of the SUMITOMO CNMG431EGE-AC820P insert?
The SUMITOMO CNMG431EGE-AC820P is a diamond indexable turning insert with two designations: CNMG431EGE and CNMG120404NGE. The manufacturer part number is CNMG431EGE-AC820P. It is a negative rake insert with a diamond grade suited for non-ferrous machining. Always verify dimensions against your tool holder.
Where to buy SUMITOMO diamond turning inserts worldwide?
3G Electric supplies SUMITOMO diamond turning inserts, including the CNMG431EGE-AC820P, to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact our team for pricing and lead time on this item.
How to select the correct SUMITOMO diamond turning insert for your lathe?
To select the correct SUMITOMO diamond turning insert, match the insert shape, size, and thickness to your tool holder pocket. The CNMG431EGE and CNMG120404NGE are negative rake inserts. Verify the nose radius and chipbreaker geometry against your material and finish requirements. Consult your machine manual for compatibility.
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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.















