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  • BS A 311:1997

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Aerospace. Screws, 100° 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

    Superseded date:  30-09-2008

    Language(s):  English

    Published date:  15-03-1997

    Publisher:  British Standards Institution

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

    Committees responsible
    National foreword
    Specification
    1 Scope
    2 Normative references
    3 Configuration and dimensions

    Abstract - (Show below) - (Hide below)

    Defines dimensions of 100% reduced countersunk head screw having internal offset cruciform ribbed or unribbed drive, close or large tolerance normal shank, short or medium length MJ threads, in coated or uncoated metallic material with strength classes not exceeding 1100 MPa. Applies to compilation of aerospace products standards.

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

    Committee ACE/12
    Development Note Reviewed and confirmed by BSI, January 2005. (12/2004) Supersedes 94/712750 DC (11/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS 6293-2:1994 Aerospace. MJ threads Limit dimensions for bolts and nuts
    ISO 14276:2002 Aerospace Drives, internal, offset cruciform Metric series
    BS 2A 231:1993 Rolled threads for bolts. Lead and runout requirements
    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
    BS 2A 296:1995 Bolts and screws, metric. Tolerances of form and position
    ISO 14275:2002 Aerospace Drives, internal, offset cruciform, ribbed Metric series
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