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    System of Measurement
    System of Measurement
    Inch
    Width
    Width
    Show
    5/16"
    Key Type
    Key Type
    StraightWoodruff
    Tapered
    Tolerance Rating
    Tolerance Rating
    Undersized
    Oversized
    Standard
    For Keyway Diameter
    For Keyway Diameter
    1"
    1 1/8"
    1 1/4"
    1 3/8"
    1 1/2"
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Key Number
    Key Number
    23
    25
    B
    C
    D
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Specifications Met
    Specifications Met
    ANSI B17.1 Class 1
    ANSI B17.2
    ANSI B17.1 Class 2
    For Maximum Keyway Diameter Tolerance
    For Maximum Keyway
    Diameter Tolerance
    0.000"
    For Minimum Keyway Diameter Tolerance
    For Minimum Keyway
    Diameter Tolerance
    -0.010"
    Finish
    Finish
    Zinc Plated
    End Height
    End Height
    0.274"
    0.285"
    0.290"
    0.295"
    For Mounting Screw Size
    For Mounting Screw Size
    No. 4
    Rate of Taper
    Rate of Taper
    1/8" per 12"
    For Machine Table T-Slot Width
    For Machine Table
    T-Slot Width
    5/16"
    Head Length
    Head Length
    7/16"
    Head Height
    Head Height
    1/2"
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