METALDUR 4*6*50 4FLUTE FLAT COPPER 55HRC TiCN COATED

The MD 55HRC TiSiN Coated Endmills are high-performance solid carbide tools designed for machining materials up to 55HRC hardness. Coated with advanced TiSiN (Titanium Silicon Nitride), they offer exceptional thermal stability, oxidation resistance, and extended tool life—making them ideal for high-speed dry and semi-dry cutting operations.