WIDIA Diamond Milling Insert: CNMG432RU, CNMG120408RU (MPN 6678403)
SKU 3G-OTH-201074
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the WIDIA CNMG432RU diamond milling insert used for?
The WIDIA CNMG432RU (MPN 6678403) is a diamond indexable milling insert designed for high-precision machining of non-ferrous materials, composites, and abrasive alloys. It is commonly used in automotive, aerospace, and general manufacturing for turning and milling operations requiring superior surface finish and tool life.
What are the specifications of the WIDIA CNMG120408RU insert?
The WIDIA CNMG120408RU insert (MPN 6678403) is a diamond indexable milling insert with a CNMG432RU geometry. It features a 80° diamond shape, 4.76 mm thickness, and 0.8 mm nose radius. The insert is designed for use in WIDIA tool holders and is suitable for finishing and semi-finishing cuts.
Where to buy WIDIA diamond milling inserts worldwide?
You can source WIDIA diamond milling inserts, including the CNMG432RU (6678403), through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times.
How to select the correct WIDIA diamond insert for your application?
To select the correct WIDIA diamond insert, match the insert geometry (e.g., CNMG432RU) to your material and operation. For non-ferrous materials, diamond inserts provide longer tool life. Ensure the insert fits your tool holder and matches the required nose radius and chipbreaker design. Consult WIDIA's application guide for optimal parameters.
Used in
Common applications for WIDIAWIDIA Products
3G Electric supplies WIDIA diamond indexable milling inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












