BS 3410:1961
Current
The latest, up-to-date edition.
Specification for metal washers for general engineering purposes
Hardcopy , PDF
English
01-09-1961
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Co-operating organizations
Foreword
Part 1 - Bright metal washers
1 Scope
2 Material
3 Finish
4 Coating
5 Dimensions
Part 2 - Black metal washers
6 Scope
7 Material
8 Finish
9 Dimensions
Specifies requirements for materials, finish and dimensions for the following types of metal washers; small and large bright washers for use with B.A. and American Number size fasteners; small and large bright washers in heavy and light gauge for use with UNC, UNF, B.S.W. and B.S.F. fasteners; medium and large bright washers for automobile purposes for use with UNC, UNF, B.S.W. and B.S.F. fasteners; ordinary and large black washers; small light gauge black washers; round black washers with square holes for woodwork and timber constructions; square black washers with round holes; square or D-shaped taper washers.
| Committee |
FME/9
|
| DevelopmentNote |
Reviewed and confirmed by BSI, March 2013. (03/2013)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
Part 1 of this British Standard relates to bright metal washers for use with standard fasteners and for other general purposes.
Dimensions are given for large and small washers: one grade of thickness is specified for those intended for use with B.A. and American Number size fasteners and two grades of thickness are specified for washers for use with Unified, B.S.W. and B.S.F. fasteners. In addition, tables of dimensions for bright washers for automobile use are included in this part of the standard.
General requirements for material and finish of bright washers are also given.
| Standards | Relationship |
| UNE-EN ISO 20028-1:2020 | Identical |
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| BS 4320:1968 | Specification for metal washers for general engineering purposes. Metric series |
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| BS 15:1961 | Mild steel for general structural purposes. |
| BS 310:1972 | Specification for blackheart malleable iron castings |
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