McMaster-Carr logo
    System of Measurement
    System of Measurement
    Inch
    Metric
    Shape
    Shape
    RoundRing
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Specifications Met
    Specifications Met
    click to learn more about
    For Shoulder Diameter
    For Shoulder Diameter
    1/8"
    3/16"
    1/4"
    5/16"
    3/8"
    1/2"
    5/8"
    3/4"
    5mm
    6mm
    8mm
    10mm
    12mm
    16mm
    20mm
    Minimum Hardness
    Minimum Hardness
    Rockwell B70
    Rockwell C40
    Magnetic Properties
    Magnetic Properties
    May Be Mildly Magnetic
    Magnetic
    For Tube OD
    For Tube OD
    3/4"
    7/8"
    1"
    1 7/64"
    1 1/8"
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    5,075 Products