M.A. Ford 5/16 Tuff-Cut GP, Std. Length, 4FL,0.02 Radius, Center Cutting End Mill, Series 111 Tuff-Cut general purpose carbide end mill, Specs: Diameter: 5/16, Decimal Dia: 0.3125, Shank Diameter: 5/16, Overall Length: 2-1/2, Flute Length: 13/16, Radius: 0.02. Finish: Uncoated, Number of Flutes: 4, Base Material: Carbide, MPN: 11131252, PKG QTY: 1 PC