2PCS HRC45 Carbide Square and Ball Nose End Mill Bits Set, Tungsten Steel End Mills Bits Cutter, Carbide End Mills for Alloy Steels/Hardened Steels 4

2PCS HRC45 Carbide Square and Ball Nose End Mill Bits Set, Tungsten Steel End Mills Bits Cutter, Carbide End Mills for Alloy Steels/Hardened Steels 4

Package Included: 1piece 1/2 in square end mill + 1piece ball nose end mill Made of micro grain carbide. Carbide has higher hardness and wear resistance and excellent cutting performance than high-speed steel. TiSiN coated, high aluminum content provides excellent hot hardness and oxidation resistance. HRC 45 degress :carbide end mill tools excel at working carbon steels (~ HB225), alloy steels (HB225 ~ 325),pre-hardened steels (up to HRC45), hardened Steels (HRC55), cast iron. 4 Flutes,high rigidity ,widely used in shallow slot,profile milling,and finish machining. 2PCS HRC45 Carbide Square and Ball Nose End Mill Bits Set, Tungsten Steel End Mills Bits Cutter, Carbide End Mills for Alloy Steels/Hardened Steels 4 Flutes