Abstract / scope
ISO 7755-12:2013 specifies the main dimensions of the cutting part for hardmetal burrs of inverted cone shape and designated by the symbol N.
ISO 7755-12:2013Published
Hardmetal burrs — Part 12: Inverted cone burrs (style N)
Fraises-limes en métaux-durs — Partie 12: Fraises-limes à cône inverse (forme N)