Our Part # YG1-E5021032 High precision solid carbide end mill(s) made from the largest end mill manufacturer in the world 4 Flutes, Single End 30° RH Spiral Precision ground using the highest quality grinding wheels 1/2" cutting diameter x 1/2" shank diameter x 1" length of cut x 3" overall length

Cutting Diameter Tolerance: +.0000/ -.0012". Shank Diameter Tolerance: +.0000/ -.0005". Premium 10% Micrograin Carbide- perfect for your general purpose or difficult application.