McMaster-Carr logo
    Component
    Component
    Flange
    System of Measurement
    System of Measurement
    Inch
    Flange Material
    Flange Material
    Steel
    Stainless Steel
    Number of Mounting Holes
    Number of Mounting Holes
    4
    6
    Mounting Hole Diameter
    Mounting Hole Diameter
    17/64"
    25/64"
    17/32"
    21/32"
    Bolt Circle Diameter
    Bolt Circle Diameter
    1 1/8"
    2 3/32"
    2 17/64"
    3 7/16"
    4 1/16"
    4 3/8"
    Flange Diameter
    Flange Diameter
    1 39/64"
    2 5/8"
    2 49/64"
    4 13/64"
    4 15/16"
    5 3/8"
    Flange Thread Type
    Flange Thread Type
    UNS
    UN
    UNF
    Flange Hardness
    Flange Hardness
    Brinell 140
    Brinell 156
    Not Rated
    Flange Thickness
    Flange Thickness
    13/32"
    33/64"
    17/32"
    53/64"
    29/32"
    1 37/64"
    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
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    13 Products