Bolldozer-HPC-End-mill 4F - right helix-right cutting - Universal-Line - 91BD Is available with the Diameters: Ø2 / Ø3 / Ø4 / Ø5 / Ø6 / Ø8 / Ø10 / Ø12 / Ø16 / Ø20 Diameter range: 2,0mm - 20,0mm Possible coatings: TLX-Standard, TL2-on demand, DIP-on demand