Mitsubishi CNMG120404 UC5115 CVD Carbide Turning Insert for Cast Iron 2mm Cutting Width SH730 is an upgraded grade

SH730 is an upgraded grade with higher hardness and thermal resistance

These inserts outperform cheaper alternatives every single time

NS9530 Cermet Grade: Superior Finishing

3150 inches (Fits standard metric blocks or 5/16" imperial lathe toolholders with split sleeves) Overall Tool Length (L) 125 mm 4

Mitsubishi CNMG120404 UC5115 CVD Carbide Turning Insert for Cast Iron 2mm Cutting Width SH730 is an upgraded gradeCNMG120404 UC5115 Precision Finishing Specialist UC5115 CVD Grade 0. 4mm Radius High Speed Precision in Cast Iron UC5115 Grade (CVD Coating): Optimized for the K Class (Cast Iron) range, UC5115 features a thick Alumina layer that provides an exceptional thermal barrier. This prevents the heat generated by abrasive graphite flakes from reaching the carbide substrate, ensuring the insert maintains its shape and precision over long production runs. CNMG