WIDIA Diamond Turning Insert: CNMG431UR

The WIDIA CNMG431UR (also CNMG120404UR, MPN 5578895) is a diamond indexable turning insert used for precision machining of non-ferrous materials, composites, and abrasive alloys. It delivers long tool life and consistent surface finish in turning, facing, and profiling operations across general engineering and automotive industries.

The WIDIA CNMG120404UR diamond turning insert is designated as CNMG431UR in inch sizing and CNMG120404UR in metric sizing. The manufacturer part number is 5578895. It is an indexable insert with a diamond cutting edge, designed for high-wear resistance in non-ferrous and composite machining applications.

3G Electric supplies WIDIA diamond turning inserts, including the CNMG431UR/CNMG120404UR (MPN 5578895), to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision insert for your machining operations.

To select the correct WIDIA diamond turning insert, match the insert size designation (CNMG431UR or CNMG120404UR) to your tool holder's pocket geometry. Confirm the insert shape, clearance angle, and chipbreaker match your material and finish requirements. For non-ferrous and abrasive materials, diamond inserts provide superior wear resistance compared to carbide.