Zhuzhou Jinzuan 4 Flute HRC55 Solid Carbide End Mill for Steel Machining is a high-performance CNC cutting tool specially designed for milling carbon steel, alloy steel, mold steel and other steel materials. Built with ultra-fine grain carbide substrate and multi-layer PVD/CVD coating, this end mill reaches HRC65 hardness, delivering outstanding wear resistance, heat stability and long tool life under heavy cutting conditions. The 4-flute structure ensures smooth chip removal, stable machining and high precision, making it ideal for side milling, slotting, profiling and semi-finishing / finishing operations. We support OEM customization, offer free samples and accept small MOQ to meet different production requirements for global machining customers.
