Abstract / scope
Defines precision classes as follows: class I, corresponding to precision chucks; class II, corresponding to normal accuracy chucks. This second edition cancels and replaces the first edition (1975).
Mandrins pour machines-outils, à serrage concentrique et à mors rapportés (assemblage cruciforme par tenon et languette) — Dimensions d'interchangeabilité et conditions de réception
Defines precision classes as follows: class I, corresponding to precision chucks; class II, corresponding to normal accuracy chucks. This second edition cancels and replaces the first edition (1975).