SANDVIK COROMANT Turning Insert, Roughing, Diamond
SKU 3G-OTH-258272
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Frequently Asked Questions
What is the SANDVIK COROMANT CNMG 12 04 08-XMR GC15 turning insert used for?
This diamond-shaped indexable turning insert is designed for roughing operations on steel and cast iron workpieces. It is commonly used in general machining, automotive, and heavy equipment manufacturing for external and internal turning, facing, and profiling applications.
What are the specifications of the SANDVIK COROMANT CNMG 12 04 08-XMR GC15 insert?
The insert has the designation CNMG 12 04 08-XMR GC15 (also listed as CNMG 432-XMR GC15). It is a diamond-shaped, negative rake turning insert with a chipbreaker optimized for roughing. The GC15 grade is a CVD-coated carbide for steel and cast iron.
Where to buy SANDVIK COROMANT CNMG 12 04 08-XMR GC15 inserts worldwide?
3G Electric supplies SANDVIK COROMANT CNMG 12 04 08-XMR GC15 turning inserts 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 SANDVIK COROMANT turning insert for roughing steel?
For roughing steel, choose a negative rake insert with a strong chipbreaker like the CNMG 12 04 08-XMR GC15. The GC15 grade offers good wear resistance and toughness. Ensure the insert size matches your tool holder's pocket and that the nose radius suits your depth of cut.
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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.















