According to end geometry:
1) Flat end milling cutter
2) Flat bottom R angle end milling cutter
3) Ball end milling cutter
4) Indexable insert end milling cutter
According to end geometry:
1) Flat end milling cutter
2) Flat bottom R angle end milling cutter
3) Ball end milling cutter
4) Indexable insert end milling cutter