SGS® End Mill, Ball Nose End Fractional Tapered, Series: 24B, 1/4 in Cutter Dia, 4 in Overall Length, 2 in Length of Cut, 3 Flutes, Spiral Flute, 1/2 in Shank Dia, Right Hand Cutting, 28 deg Helix Angle, Straight Shank, 2 in Shank Length, Micrograin Solid Carbide, TA Coated