
S-Rpmt12-000033 8230s Round Milling Insert for Steel Cast Iron CNC Machining. Round R6 carbide milling insert for mold cavity roughing and semi-finishing. 8230S PVD coating offers balanced wear resistance and impact toughness. Optimized edge geometry improves stability during interrupted cutting. Ideal for copy milling, curved surface machining and ramp milling. Smooth cutting action reduces vibration and improves surface quality. Suitable for carbon steel, alloy steel and cast iron processing. Stable performance under medium stock removal for mold workshop. Precise dimensional tolerance for reliable clamping on matching round cutter. Original Pramet insert, consistent quality for batch production. Versatile circular milling tool for general mold CNC machining.