BS 4320:1968
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for metal washers for general engineering purposes. Metric series
Available format(s)
Hardcopy , PDF
Superseded date
24-06-2021
Language(s)
English
Published date
23-05-1968
Publisher
Co-operating organizations
Foreword
Scope
1 Bright metal washers
1.1 General
1.2 Material
1.3 Finish
1.4 Coating
1.5 Dimensions
1.6 Designation for enquiry and ordering purposes
2 Black metal washers
2.1 General
2.2 Material
2.3 Finish
2.4 Coating
2.5 Dimensions
2.6 Designation for enquiry and ordering purposes
Appendix A BSI policy statement on screw threads and the
metric system
Appendix B Sizes greater than 68 mm diameter
Relates to bright metal and black metal washers for use with ISO metric bolts, screws and nuts. The washers are basically divided into 3 categories of size: \'normal\', \'large\' and \'extra large\' diameter series and the bright washers are further divided by including a \'light range\' which have thicknesses approximately 60 per cent of the \'normal range\' thicknesses. The bright metal washers cover the range for bolts, M1 to M39, and the black metal washers cover the range M5 to M68. Appendix gives details of sizes greater than 68 mm diameter, up to and including size M150.
| Committee |
FME/9
|
| DevelopmentNote |
Inactive for the new design. (11/2001) Supersedes 67/26973 DC (08/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
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Hardcopy - English
PDF - English
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