McMaster-Carr logo
    Filter by
    Material
    Duct Size
    System of Measurement
    Component
    Overall Depth
    Number of Mounting Holes
    Flange Mount Type
    Duct Type
    Fitting Connection
    With Mounting Holes
    Flange Thickness
    Gender
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Mounting Hole Diameter
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Industrial Info Snippet
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    7 Products

    Duct Flanges

    Image of Product. Side1 orientation. Contains Annotated. Duct Flanges, With Mounting Holes.
    Image of Product. Front orientation. Duct and Fittings. Duct Flanges, With Mounting Holes.

    With Mounting

    Holes

    With Mounting Holes

    Mount flanges to air handlers and HVAC equipment to start a run of duct. They also create a secure joint between sections of duct—attach a flange to each piece. Also known as angle rings.
    With Mounting Holes—Ready to install, these flanges secure with screws.
    PVC—Withstand chemicals that would eat away at most metal duct. It’s often used in systems that exhaust corrosive gases, vapors, and fumes.
    Flange
    Mounting
    Duct
    Size
    ID
    Overall
    Dp.
    Ht.
    Thk.
    Fasteners
    Included
    No. of
    Holes
    Hole Dia.
    Each
    With Mounting Holes
     
    PVC
    44 1/2"2 1/4"1 7/8"1/4"No45/16"5124K9000000
    66 5/8"3 1/4"1 1/2"1/4"No85/16"5124K1900000
    88 5/8"3 1/4"1 1/2"1/4"No105/16"5124K3900000
    1010 3/4"3 1/4"1 3/8"1/4"No125/16"5124K59000000
    1212 3/4"3 1/2"1 3/8"1/4"No165/16"5124K79000000
    1414"3 1/2"1 3/4"1/4"No165/16"5124K99000000
    1616"3 1/2"1 3/4"1/4"No185/16"5124K49000000
     
    back to top