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BS ISO 1501:2009+A1:2020

Current

Current

The latest, up-to-date edition.

ISO miniature screw threads

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-02-2020

This International Standard specifies the profiles, diameter-pitch combinations, basic dimensions, tolerances, limits of size and designation for ISO miniature screw threads with nominal diameters from 0,3 mm to 1,4 mm.

This International Standard specifies the profiles, diameter-pitch combinations, basic dimensions, tolerances, limits of size and designation for ISO miniature screw threads with nominal diameters from 0,3mm to 1,4mm. These threads are applicable to timepieces, optical instruments, electrical meters, measuring instruments, etc.

The profiles and tolerance system for ISO miniature screw threads (S) differ from the profile and tolerance system for ISO general purpose metric screw threads (M).

For threads with nominal diameters from 1mm to 1,4mm, designers shall decide to use ISO general purpose metric screw threads (M) or ISO miniature screw threads (S). ISO miniature screw threads are shown in AnnexA.

AnnexC illustrates the differences in miniature screw threads between the ISO International Standards and those of certain countries.

Committee
FME/9
DocumentType
Standard
ISBN
9780539053395
Pages
24
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 1501:2009/Amd 1:2020 Identical

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