
Standard HRC55 4 Flutes Solid Carbide Roughing End Mill for Cast Iron. HRC55 Hardness: Made of Tungsten Steel with HRC55 hardness for durable performance. Customized Size: Customized size accepted according to client drawings and workpiece requirements. Heat-Resistant Coating: Features HELICA coating for high-speed processing and heat resistance. Wide Flute Design: Smooth and wide flute design ensures easy chip removal and efficiency. High Precision: Precision level of 0.005mm ensures accurate machining results. Versatile Application: Suitable for carbon steel, stainless steel, titanium alloy, and heat-treated steel. Free Sample: Free samples available if clients cover the shipping cost. 24/7 Online Service: 24-hour online service with immediate feedback for all inquiries.