SANDVIK COROMANT Turning Insert, Medium, Diamond
SKU 3G-OTH-257866
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Frequently Asked Questions
What is the SANDVIK COROMANT CNMG120408-SMR 2025 turning insert used for?
The SANDVIK COROMANT CNMG120408-SMR 2025 is a diamond-shaped indexable turning insert designed for medium machining of steel and cast iron. It is commonly used in turning, facing, and boring operations on CNC lathes. The SMR geometry provides good chip control and surface finish in general-purpose applications.
What are the specifications of the SANDVIK COROMANT CNMG120408-SMR 2025 insert?
This insert has the designation CNMG120408-SMR 2025, with an equivalent MPN of CNMG432-SMR 2025. It features a diamond (80° rhomboid) shape, a medium chipbreaker, and a 0.8 mm nose radius. The insert is designed for medium cutting conditions and is made by SANDVIK COROMANT.
Where to buy SANDVIK COROMANT CNMG120408-SMR 2025 inserts worldwide?
You can source SANDVIK COROMANT CNMG120408-SMR 2025 inserts through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this turning insert.
How to select the correct SANDVIK COROMANT turning insert for your application?
Select the insert based on workpiece material, operation type, and cutting conditions. For medium steel machining, the CNMG120408-SMR 2025 with a medium chipbreaker is suitable. Match the insert shape (CNMG diamond) to your tool holder pocket. Always verify the nose radius and grade against your cutting parameters.
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3G Electric supplies SANDVIK COROMANT diamond indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















