Comparison : Item # D41915628, High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D4115630, High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D4115632, High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D41915634, High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA
Item # D4115636, High Helix 3-Flute Roughing End Mills for Aluminum, Cobalt Steel USA