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  • BS 959:1950

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    SPECIFICATION FOR INTERNAL MICROMETERS (INCLUDING STICK MICROMETERS)

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-11-2008

    Language(s):  English

    Published date:  01-01-1950

    Publisher:  British Standards Institution

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

    Co-operating organizations
    Foreword
    Specification
    Section one: Internal micrometers
    1 Scope
    2 Material of measuring head
    3 Measuring face of measuring head
    4 Micrometer screw
    5 Thimble and barrel
    6 Extension rods
    7 Spacing collars
    8 Adjustment
    9 Accuracy
    10 Rigidity
    11 Handle
    12 Case
    13 Packing
    14 Marking
    Section two: Stick micrometers
    15 Scope
    16 Nomenclature
    17 Terminal and abutment faces
    18 Screwed joints
    19 Extension rods
    20 Accuracy of micrometer unit
    21 Accuracy of extension rods
    22 Rigidity
    23 Marking
    24 Gap setting gauges
    25 Case
    26 Packing
    Appendices
    A Method of testing internal micrometers
    B Testing of internal micrometers

    Abstract - (Show below) - (Hide below)

    Describes internal micrometers comprising a measuring head, extension rods with or without spacing collars, and, in the smaller sizes, a handle. Provision is made for three sizes of heads, in both inch and metric units. Covers measuring face of measuring head, micrometer screw, thimble and barrel, extension rods, accuracy, rigidity, packing and marking.

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

    Committee TDW/4
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded

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

    BS 957-1:1941 SPECIFICATION FOR FEELER GAUGES - INCH UNITS
    BS 6468:1984 SPECIFICATION FOR DEPTH MICROMETERS
    BS 6468:2008 SPECIFICATION FOR DEPTH MICROMETERS
    BS 870:1950 SPECIFICATION FOR EXTERNAL MICROMETERS
    08/30177718 DC : DRAFT JUNE 2008 BS 6468 - SPECIFICATION FOR DEPTH MICROMETERS
    BS 1734:1951 Specification for micrometer heads
    BS 852:1939 Specification for toolmakers\' straightedges
    BS 7825-2:1996 Calibration of rubber and plastics test equipment Calibration procedures

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

    BS 1790:1961 SPECIFICATION FOR LENGTH BARS AND THEIR ACCESSORIES (IMPERIAL UNITS)
    BS 1685:1951 SPECIFICATION FOR BEVEL PROTRACTORS (MECHANICAL AND OPTICAL)
    BS 957-2:1969 SPECIFICATION FOR FEELER GAUGES - METRIC UNITS
    BS 1734:1951 Specification for micrometer heads
    BS 888(1950) : 1950 SPECIFICATION FOR SLIP (OR BLOCK) GAUGES AND THEIR ACCESSORIES
    BS 957-1:1941 SPECIFICATION FOR FEELER GAUGES - INCH UNITS
    BS 1054:1954 ENGINEERS' COMPARATORS FOR EXTERNAL MEASUREMENT
    BS 870:1950 SPECIFICATION FOR EXTERNAL MICROMETERS
    BS 906-2:1972 Specification for engineers\' parallels. Imperial units
    BS 818(1963) : LATEST CAST IRON STRAIGHT EDGES (BOW SHAPED AND I-SECTION)
    BS 939:1962
    BS 907(1955) : LATEST
    BS 817(1939) : LATEST
    BS 906-1:1972 Specification for engineers\' parallels Metric units
    BS 2795:1957 DIAL TEST INDICATORS (LEVER TYPE) FOR LINEAR MEASUREMENT
    BS 887:1950
    BS 84:1956 SPECIFICATION FOR PARALLEL SCREW THREADS OF WHITWORTH FORM
    BS 852:1939 Specification for toolmakers\' straightedges
    BS 1643:1950 PRECISION VERNIER HEIGHT GAUGES
    BS 869:1939
    BS 863(1939) : LATEST STEEL STRAIGHTEDGES OF RECTANGULAR SECTION
    BS 958:1941
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