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  • BS ISO 13921:2008

    Current The latest, up-to-date edition.

    Aerospace. Screws, 100 degrees reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  30-09-2008

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Configuration and dimensions

    Abstract - (Show below) - (Hide below)

    Describes the dimensions of 100 degrees reduced countersunk head screws with internal offset cruciform ribbed or unribbed drive, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1100 MPa.

    Scope - (Show below) - (Hide below)

    This International Standard specifies the dimensions of 100° reduced countersunk head screws with internal offset cruciform ribbed or unribbed drive, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1100MPa.

    This International Standard is applicable to the compilation of aerospace product standards.

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

    Committee ACE/12
    Development Note Supersedes BS A311(1997) & 05/30128686 DC. (10/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 5855-2:1999 Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
    ISO 14276:2002 Aerospace Drives, internal, offset cruciform Metric series
    ISO 286-2:2010 Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
    ISO 3353-1:2002 Aerospace Lead and runout threads Part 1: Rolled external threads
    ISO 7913:1994 Aerospace Bolts and screws, metric Tolerances of form and position
    ISO 14275:2002 Aerospace Drives, internal, offset cruciform, ribbed Metric series
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