025 2 Flute Carbide Endmill Micro Stub Length Square End.As with all of our solid carbide tools, these end mills are manufactured using state-of-the-art machinery, manufacturing processes and inspection techniques, making them the preferred choice of carbide endmills for machinists wanting to produce high quality parts with maximum tool life.0003 0. These stub length miniature end mills feature a length of cut 1-1/2 times the cutting diameter of the tool.