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    System of Measurement
    System of Measurement
    Inch
    Metric
    Diameter
    Diameter
    3"
    4"
    5"
    6"
    8"
    10"
    12"
    15"
    For Maximum Workpiece OD
    For Maximum Workpiece OD
    2 15/32"
    3 5/32"
    3.54"
    5.51"
    7.87"
    Material
    Material
    Steel
    Aluminum
    Brass
    Grip Style
    Grip Style
    Inside
    Outside
    For Maximum Workpiece ID
    For Maximum Workpiece ID
    2 3/4"
    3 35/64"
    3.74"
    5.91"
    7.09"
    Center Through-Hole Diameter
    Center Through-Hole Diameter
    5/8"
    7/8"
    1.28"
    1.78"
    2.37"
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    For Lathe Chuck Diameter
    For Lathe Chuck Diameter
    4"
    5"
    6"
    8"
    10"
    12"
    15"
    21"
    24"
    5"-8"
    6"-10"
    8"-12"
    For Minimum Workpiece ID
    For Minimum Workpiece ID
    63/64"
    1 3/16"
    1.42"
    2.17"
    For Minimum Workpiece OD
    For Minimum Workpiece OD
    5/64"
    0.08"
    0.31"
    0.39"
    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
    RoHS Compliant with
    Exemptions
    Collet Type
    Collet Type
    3J5C
    16C
    TIR (Total Indicated Runout) Accuracy
    TIR (Total Indicated
    Runout) Accuracy
    0.0005"
    0.0008"
    0.0011"
    0.0015"
    0.0025"
    0.0031"
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