McMaster-Carr logo
    System of Measurement
    System of Measurement
    Inch
    Metric
    Nut Type
    Nut Type
    HexLocknut
    SquareRound
    Thread Direction
    Thread Direction
    click to learn more about
    click to learn more about Right Hand
    click to learn more about Left Hand
    Right HandLeft Hand
    Thread Spacing
    Thread Spacing
    click to learn more about
    Thread Type
    Thread Type
    UNC
    UNF
    Metric
    UNS
    UNEF
    UN
    Drive Style
    Drive Style
    click to learn more about
    click to learn more about External Hex
    click to learn more about External Square
    click to learn more about Slotted
    External
    Hex
    External
    Square
    Slotted
    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
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Washer Material
    Washer Material
    Steel
    Stainless Steel
    Washer Type
    Washer Type
    External-Tooth Lock
    Spring Lock
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    3,286 Products