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    Number of Mounting Holes
    Number of Mounting Holes
    1
    2
    3
    4
    5
    6
    8
    10
    12
    14
    System of Measurement
    System of Measurement
    Inch
    Metric
    Mounting Hole Center-to-Center Width
    Mounting Hole Center-
    to-Center Width
    default
    3/4"
    7/8"
    1"
    1 1/4"
    2"
    2 3/8"
    3"
    3 1/2"
    3 3/4"
    4"
    4 1/8"
    5"
    5 3/4"
    6"
    46mm
    64mm
    65mm
    96mm
    127mm
    128mm
    160mm
    224mm
    Mounting Screw Size
    Mounting Screw Size
    No. 4
    No. 6
    No. 7
    No. 8
    No. 10
    No. 12
    1/4"
    5/16"
    3/8"
    M3.1
    M4
    M5
    M6
    M8
    Stud Length
    Stud Length
    1/8"
    3/16"
    3/8"
    9/16"
    5/8"
    Appearance
    Appearance
    Dull
    Polished
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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