Comparison : Item # D413805250, 5 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413805253, 5 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413805254, 5 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413805312, 5 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413805323, 5 Flute, Single End 45° Helix End Mills, Solid Carbide USA