Mitsubishi CNMG120404-GK MC5015 Cast Iron Turning Insert (10pcs) 50 Degree Cutting Edge BYS25 (Bronze Matrix) ISO M20

BYS25 (Bronze Matrix) ISO M20 - M35 PVD Multi-Nano AlTiN Engineered for tough

The BEYOND S08K-SDQCR07 is an industrial-grade

"No chip wrapping issues on 4140 steel

you ensure the sharpest entry possible into the material

Mitsubishi CNMG120404-GK MC5015 Cast Iron Turning Insert (10pcs) 50 Degree Cutting Edge BYS25 (Bronze Matrix) ISO M20CNMG120404 GK MC5015 Cast Iron Specialist MC5015 Abrasive Resistance GK Robust Geometry Optimized for Abrasive Cast Iron Environments MC5015 Grade (The Wear Barrier): The MC5015 is Mitsubishi's premium CVD grade for K Class (Cast Iron). Cast iron is notoriously abrasive; this grade combats that with a specialized thick alumina ($Al_2O_3$) coating that provides industry leading flank wear resistance. This allows for significantly higher cutting speeds