ISO 2904:1977Withdrawn

ISO metric trapezoidal screw threads — Basic dimensions

Filetages métriques trapézoïdaux ISO — Dimensions de base

This edition has been replaced by ISO 2904:2020.

Abstract / scope

Specifies the dimensions for threads according to ISO 2902; the values refer to the basic profiles according to ISO 2901; shows the formulae for calculations; tabulates nominal diameters from 8 mm up to and including 300 mm with pitches from 1.5 to 44 together with the associated pitch, major and minor diameters.

Life cycle

Replaced by

ISO/CD 2904Deleted (project abandoned)ISO metric trapezoidal screw threads — Basic dimensionsInternational Standard · ISO/TC 1ISO/CD 2912Deleted (project abandoned)Machine tools — Modular units for machine tool construction — Multi-spindle heads — Casing and input drive shaft dimensionsInternational Standard · ISO/TC 39ISO 2904:2020PublishedISO metric trapezoidal screw threads — Basic dimensionsInternational Standard · Published 31 Jan 2020 · ISO/TC 1