NF ISO 68-2/A1

NF ISO 68-2/A1

May 2020
Standard Cancelled

ISO general purpose screw threads - Basic profile - Part 2 : inch screw threads - Amendment 1

Le présent document amende la norme NF ISO 68-2 qui définit le profil de base des filetages ISO en inches et ses dimensions.Le présent amendement corrige les références normatives et l'Article 4 en précisant que les dimensions du profil de base sont tirées des formules données dans la norme NF ISO 68-2.

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Main informations

Collections

National standards and national normative documents

Publication date

May 2020

Number of pages

5 p.

Reference

NF ISO 68-2/A1

ICS Codes

21.040.20   Inch screw threads

Classification index

E03-006/A1

Print number

1

International kinship

ISO 68-2/A1:2019
Sumary
ISO general purpose screw threads - Basic profile - Part 2 : inch screw threads - Amendment 1

Le présent document amende la norme NF ISO 68-2 qui définit le profil de base des filetages ISO en inches et ses dimensions. Le présent amendement corrige les références normatives et l'Article 4 en précisant que les dimensions du profil de base sont tirées des formules données dans la norme NF ISO 68-2.
Standard replaced by (1)
NF ISO 68-2
October 2023
Standard Current
ISO general purpose screw threads - Basic and design profiles - Part 2: Inch screw threads

This document specifies the basic and design profiles for ISO inch screw threads (UN and UNR). UN applies to both internal and external threads. UNR only applies to external threads. A flat or rounded root contour, due to the threading process, is specified for UN threads, while only a defined rounded root contour is specified for UNR external threads. This document is applicable to the inch fastening screw threads.

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