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 (2pcs 1/2" Square and Ball nose End mill)

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

• 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.