1/2" Extra Long Carbide Ball Nose End Mill for Alloy Steels/Hardened Steels, 4" Overall Length End Mill Bits, 4 Flute HRC 55 Deg AlTiN Coating, CNC Router Bits (1 Pieces)
Material: Cnc 4 Flute Carbide Ball end milling Bit excel at working carbon steels, alloy steels, pre-hardened steels, hardened Steels, cast iron,etc.
AlTiN Coating: Titanium aluminum nitride (AlTiN) coating lubricates the end mill for stability at high temperature and superior wear resistance at high cutting speeds, offering better heat resistance than TiAlN, TiN or TiCN coatings.
High Performance: carbide has higher hardness and wear resistance and excellent cutting performance than high-speed steel.
Durable: HRC 55 Deg,Excellent performance in hard materials that are difficult to cut. Extremely hard, wear resistant.
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