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    System of Measurement
    System of Measurement
    Inch
    Metric
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Bolt Circle Diameter
    Bolt Circle Diameter
    default
    20 mm
    31.5
    mm
    40 mm
    46 mm
    50 mm
    56 mm
    63 mm
    64 mm
    80 mm
    90 mm
    100
    mm
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Mounting Hole Pattern Compatibility
    Mounting Hole
    Pattern Compatibility
    ISO 50
    ISO 31.5
    ISO 40
    ISO 63
    ISO 80
    ISO 90
    ISO 100
    ISO 20
    ISO 56
    Number of Bolt Holes
    Number of Bolt Holes
    2
    3
    4
    6
    7
    8
    10
    15
    16
    28
    32
    Number of Mounting Holes
    Number of Mounting Holes
    2
    4
    5
    6
    8
    10
    12
    24
    Bolt Hole Thread Size
    Bolt Hole Thread Size
    M6
    M5
    8-32
    M10
    M8
    M2.5
    M3
    M4
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