Widin Carbide Rib Processing End Mill - 2 Flute Ball Nose (ESRB71200405) - 0.4mm x5mm (4mm Shank Dia)The Widin Carbide Rib Processing End Mills 2 Flute Ball Nose (WB712P) are high performance cutting tools specifically designed for rib processing applications. With their two flutes and ball nose configuration, these end mills excel at creating precise and smooth contours in narrow ribs. The carbide construction ensures exceptional durability and wear resistance, enabling extended tool life and reducing the need for frequent replacements. The ball