BS 856:1969
Current
The latest, up-to-date edition.
Specification for wing nuts
Hardcopy , PDF
English
19-05-1969
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Foreword
Specification
1. Scope
2. Material
3. Finish
4. Nominal dimensions
5. Screw threads
6. Countersinking of bearing face
7. Designation for enquiry and ordering purposes
Tables
1. Nominal dimensions for hot stamped or cast wing
nuts Types HS and DC
2. Nominal dimensions for cold forged wing nuts
Type CF
Appendices
A. BSI policy statement on screw threads and the
metric system
B. Related British Standards
ISO metric, ISO inch (Unified), BSW, BSF and BA screw threads diameters 3 mm (⅛ in) to 20 mm (¾ in). Two forms of wing nut blank geometry; tables of dimensions for hot stamped and cast varieties and for cold forged products.
| Committee |
FME/9
|
| DevelopmentNote |
Supersedes 68/23420 DC (10/2003) Reviewed and confirmed by BSI, January 2012. (12/2011)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
1.1 This British Standard specifies requirements for wing nuts having ISO metric, ISO inch (Unified), BSW1), BSF1) and BA1) screw threads. 1.2 Nominal dimensions for two forms of wing nut blank geometry are specified in the following size ranges: Wing nut Diameter range Blank geometry shown in Type designation Product description ISO metric UNC UNF BSWaBSFa BAa Table 1 HS Hot stamped M3 to M18 No. 3 to ¾ in (⅛ in to ¾ in 5 BA to 0 BA DC Cast Table 2 CF Cold forged M3 to M20 a BSW, BSF and BA screw threads have been rendered obsolescent. See Appendix A.
| Standards | Relationship |
| UNE-EN ISO 17573-1:2019 | Identical |
| 03/300415 DC : DRAFT JAN 2003 | BS XXXX - MECHANICAL DESIGN AND POWER REQUIREMENTS FOR TROUGHED BELT CONVEYORS |
| PD 6508:1985 | Detail drawings for the apparatus specified in BS 476:Part 11:1982 |
| BS 4463:1969 | Specification for crinkle washers for general engineering purposes. Metric series |
| BS 4997:1991 | Specification for wooden axilla crutches |
| BS 1802:1951 | Specification for steel spring washers for general engineering and automobile purposes |
| BS 4464:1969 | Specification for spring washers for general engineering and automobile purposes. Metric series |
| BS 4168:1967 | Specification for hexagon socket screws and wrench keys. Metric series |
| BS 3643-1:1981 | ISO metric screw threads Principles and basic data |
| BS 919-3:1968 | Specification for screw gauge limits and tolerances Gauges for ISO metric screw threads |
| BS 4439:1969 | Specification for screwed studs for general purposes. Metric series |
| BS 4463:1969 | Specification for crinkle washers for general engineering purposes. Metric series |
| BS 93:1951 | Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A. |
| BS 4183:1967 | Specification for machine screws and machine screw nuts. Metric series |
| BS 4464:1969 | Specification for spring washers for general engineering and automobile purposes. Metric series |
| BS 4219(1967) : LATEST | |
| BS 3692:2001 | ISO metric precision hexagon bolts, screws and nuts. Specification |
| BS 949(1969) : LATEST | |
| BS 84:1956 | Specification for parallel screw threads of Whitworth form |
| BS 4320:1968 | Specification for metal washers for general engineering purposes. Metric series |
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