2 Flute Long Neck Square End Mills
With the long neck can Deeping the work piece inside.
Long neck Square & Ball nose type in deepen long neck polishing which square and ball nose can’t reach.
The Neck avoid touching work piece while deepening,
and processing deep angle which normal square & ball nose can’t reach.
The Long Neck square type to be suitable for deeper slotting process.
Long Neck ball type can narrow deeper radial slotting &3D surface process.