Comparison : Item # D4112842, Hi-Helix 2-Flute Cobalt Steel Single End Ball End Mills for Aluminum, USA
Item # D4112844, Hi-Helix 2-Flute Cobalt Steel Single End Ball End Mills for Aluminum, USA
Item # D4112846, Hi-Helix 2-Flute Cobalt Steel Single End Ball End Mills for Aluminum, USA
Item # D4112848, Hi-Helix 2-Flute Cobalt Steel Single End Ball End Mills for Aluminum, USA
Item # D4112850, Hi-Helix 2-Flute Cobalt Steel Single End Ball End Mills for Aluminum, USA