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  • BS 856:1969

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    Specification for wing nuts

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  19-05-1969

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Cooperating organizations
    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

    Abstract - (Show below) - (Hide below)

    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.

    Scope - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee FME/9
    Development Note Supersedes 68/23420 DC (10/2003) Reviewed and confirmed by BSI, January 2012. (12/2011)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    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 1802(1951) : 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

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 4168(1967) : LATEST
    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 93(1951) : 1951 SPECIFICATION FOR BRITISH ASSOCIATION (B.A.) SCREW THREADS WITH TOLERANCES FOR SIZES 0 B.A. TO 16 B.A.
    BS 4183(1967) : 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 949(1969) : LATEST
    BS 84:1956 SPECIFICATION FOR PARALLEL SCREW THREADS OF WHITWORTH FORM
    BS 4320(1968) : 1968 SPECIFICATION FOR METAL WASHERS FOR GENERAL ENGINEERING PURPOSES - METRIC SERIES
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