Widin Carbide End Mill - 4 Flute Square Edge Long Neck 2.5mm x 20mmA specialized end mill designed to machine high hardened materials up to HRc70 with precision and efficiency. It features a long neck design, which is particularly beneficial when working with workpieces that have a draft angle. The length of the tool's effective neck accommodates the longer interference length required for different draft angles, ensuring optimal performance and avoiding interference issues. The end mill is capable of dry cutting and