Mitsubishi DCMT11T308 UC5115 Carbide Turning Insert for Cast Iron (10pcs) JTGR3140F J740 MA Chipbreaker (Precision Flow): The

MA Chipbreaker (Precision Flow): The MA geometry is tailored for medium-to-finishing applications

Troubleshooting Bore Vibration and Insert Chipping: If you detect severe whistling frequencies or chatter marks along the groove shoulders during entry

Sealed Factory Packaging

Avoid excessive feed rates to prevent chip clogging

— James W

Mitsubishi DCMT11T308 UC5115 Carbide Turning Insert for Cast Iron (10pcs) JTGR3140F J740 MA Chipbreaker (Precision Flow): TheDCMT11T308 UC5115 Cast Iron Heavy Duty UC5115 Wear Resistant CVD 0. 8mm Radius Engineered for High Abrasive Cast Environments UC5115 Grade (The K Class Champion): The UC5115 is Mitsubishi's premier CVD coated grade for cast iron turning. Unlike steel grades, UC5115 uses a specialized substrate and a thick, smooth Al2O3 + TiCN coating. This combination resists the abrasive "sandpaper" effect of graphite flakes in gray iron and the mechanical shock