Comparison : Item # D413806250, 6 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413806253, 6 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413806254, 6 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413806312, 6 Flute, Single End 45° Helix End Mills, Solid Carbide USA
Item # D413806323, 6 Flute, Single End 45° Helix End Mills, Solid Carbide USA