McMaster-Carr logo
    End Construction
    End Construction
    Plain
    Crimped
    Rolled
    Tapered
    Spiral
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Gender
    Gender
    Female
    Male
    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
    Flange Mount Type
    Flange Mount Type
    Screw On
    Weld On
    Duct Construction
    Duct Construction
    Closed
    Open
    Overall Depth
    Overall Depth
    1"
    1 1/4"
    1 1/2"
    2"
    2 1/4"
    3 1/4"
    3 1/2"
    Number of Mounting Holes
    Number of Mounting Holes
    4
    6
    8
    10
    12
    16
    18
    24
    Mounting Hole Diameter
    Mounting Hole Diameter
    9/32"
    5/16"
    3/8"
    7/16"
    Flange Thickness
    Flange Thickness
    1/8"
    9/64"
    3/16"
    1/4"
    Flange Height
    Flange Height
    1"
    1 1/4"
    1 3/8"
    1 1/2"
    1 3/4"
    2"