McMaster-Carr logo
    Shape
    Shape
    KeyedRing
    Material
    Material
    Steel
    Plastic
    For Shaft Diameter
    For Shaft Diameter
    3/8"
    1/2"
    5/8"
    3/4"
    7/8"
    1"
    1 1/8"
    1 1/4"
    1 3/8"
    1 1/2"
    1 3/4"
    2"
    Number of Pieces
    Number of Pieces
    13
    19
    150
    450
    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
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Notch Width
    Notch Width
    default
    1/8"
    3/16"
    1/4"
    5/16"
    3/8"
    7/16"
    1/2"
    Maximum Temperature
    Maximum Temperature
    155° F
    300° F
    Minimum Temperature
    Minimum Temperature
    -90° F
    -10° F
    Container Features
    Container Features
    Compartmented
    Lid Chart
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    24 Products