Comparison : Item # D419940350, Multiple Flute HSS Center-Cutting Single End End Mills, USA
Item # D419140390, Multiple Flute HSS Center-Cutting Single End End Mills, USA
Item # D419140430, Multiple Flute HSS Center-Cutting Single End End Mills, USA
Item # D419140470, Multiple Flute HSS Center-Cutting Single End End Mills, USA
Item # D419140490, Multiple Flute HSS Center-Cutting Single End End Mills, USA