McMaster-Carr logo
    Filter by
    Flange Thickness
    Aligner Connection Method
    Material
    Level Orientation
    Rod Length
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    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)
    9 Products

    Pipe Flange Aligner Pins

    Image of Product. Front orientation. Pipe Flange Aligners. Pipe Flange Aligner Pins.
    Insert a pair of these nut-and-bolt pins into adjacent flange holes and tighten to align flanges before connecting two pipes. One pin in each pair has a level for vertical alignment. Use a separate level to align the flange horizontally. Also known as two-hole pins.
    4 1/2" Lg. Extension—Pins with a 4 ½” length extension let you increase the length of your pins to align thicker flanges.
    Two Couplings—Use the included couplings to connect the extension to your pins.
    For
    Flange
    Hole Dia.
    Thk.
    Aligner Connection
    Method
    Includes
    Pair
    Steel
    5/16" to 15/16"1"Screw Together—2298A21000000
    1/2" to 1 7/16"2 1/2"Screw Together—2298A1400000
    1/2" to 1 15/16"4"Screw Together—2298A15000000
    5/8" to 3"9"Screw Together4 1/2" Lg. Extension, Two Couplings2298A22000000
     
    Replacements for Pipe Flange Aligners
    Replacement Pipe Flange Aligner Couplings
    Image of Product. Bottom orientation. Pipe Flange Aligner Couplings.
    For Flange
    Hole Dia.
    Material
    Lg.
    Each
    5/8" to 3"Steel1"2298A2500000
    Replacement Pipe Flange Aligner Extensions
    Image of Product. Bottom orientation. Pipe Flange Aligner Extensions. Pipe Flange Aligner Pins.
    For Flange
    Hole Dia.
    Material
    Lg.
    Each
    5/8" to 3"Steel2 7/8"2298A2300000
    5/8" to 3"Steel4 1/2"2298A240000

    Pipe Flange Aligner Pins with Horizontal Level

    Image of Product. Front orientation. Pipe Flange Aligners. Pipe Flange Aligner Pins with Horizontal Level.
    Ensure horizontal alignment of pipe flanges with a level rod that runs between two alignment pins. One pin in each pair has a level for vertical alignment. Insert these nut-and-bolt pins into adjacent flange holes and tighten to align flanges before connecting two pipes.
    For Flange
    Hole Dia.
    Aligner Connection
    Method
    Rod
    Lg.
    Each
    Steel
    1/2" to 1 7/16"Screw Together10"2745A2410000000
    1/2" to 1 15/16"Screw Together18"2745A242000000
     
    back to top