Comparison : Item # D4115784, Fine Pitch High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D4115786, Fine Pitch High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D41915788, Fine Pitch High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D41915884, Fine Pitch High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D41915790, Fine Pitch High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA