Specification for screwed studs for general purposes. Metric series

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-28-1969

Publisher

British Standards Institution

Foreword
1 Scope
2 Nomenclature
3 Nominal length
4 Ends of studs
5 Plain portion
6 Length of thread
7 Screw threads
8 Straightness
9 Strength grade designation system for steel screwed
   studs
10 Material of steel screwed studs
11 Mechanical properties of steel screwed studs
12 Inspection and testing
13 Marking and identification
14 Complete designation for the purposes of an enquiry
   or order
Appendix A - Chemical composition of steel screwed studs
Appendix B - Testing of mechanical properties of steel
             screwed studs
Appendix C - BSI Policy statement on screw threads and
             the metric system
Appendix D - Preferred standard sizes of ISO metric
             screwed studs
Appendix E - Related British Standards

Dimensions and tolerances for screwed studs with ISO metric threads in diameters from 3 mm to 39 mm inclusive, intended for general purposes. Mechanical properties are given only in respect of carbon or alloy steel screwed studs which are not being used for special applications, such as those requiring weldability or corrosion resistance. Dimensional requirements given also apply to non-ferrous and stainless steel screwed studs. Forms a parallel metric standard to BS 2693:Part 1.

1.1 This British Standard specifies the dimensions and tolerance s for screwed studs with ISO metric threads in diameters from 3 mm to 39 mm inclusive, intended for general purposes.

1.2 Mechanical properties are given only in respect of carbon or alloy steel screwed studs which are not to be used for special applications, such as those requiring weldability or corrosion resistance.

1.3 The dimensional requirements of this standard also apply to non-ferrous and stainless steel screwed studs.

Committee	FME/9
DevelopmentNote	Supersedes 68/13856 DC. (08/2005) Reviewed and confirmed by BSI, January 2012. (12/2011)
DocumentType	Standard
Pages	28
PublisherName	British Standards Institution
Status	Current

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BS 4439:1969

Specification for screwed studs for general purposes. Metric series

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