McMaster-Carr logo
    Filter by
    Number of Mounting Holes
    Mounting Location
    Slip-On Framing Component Type
    Thickness
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Industrial Info Compare
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Mounting Hole Diameter
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    48 Products

    Sealing Corner Brackets

    Image of Product. Front orientation. Contains Annotated. Brackets. Sealing Corner Brackets.
    A rubber seal protects against moisture around the installation hole. These brackets are good for securing solar panels and other objects to roofs.
    Lg.
    Mounting
    Color
    (A)
    (B)
    (C)
    Thk.
    Wt. Cap.,
    lb.
    Mount
    Type
    Fasteners
    Included
    No. of
    Holes
    No. of
    Slots
    Mounting
    Hole Style
    For Screw
    Size
    Each
    Dull 304 Stainless Steel
    Black3 3/8"1 5/8"1 5/8"0.16"400Screw OnYes11Straight5/16"
    1440N2100000
     

    Bolt-Down Strut Channel Feet

    Image of Product. Front orientation. Strut Channel Framing and Fittings. Bolt-Down Strut Channel Feet, Style 3.

    Style 3

    Anchor vertical strut channel to the floor to prevent shifting and tipping. Use these feet to build posts for racks, frames, enclosures, and other structures you need to stay put.
    For Standard Strut Channel
    Image of Product. Front orientation. Strut Channel Framing and Fittings. Bolt-Down Strut Channel Feet, Style 3.

    Style 3

    Style 3—A rubber bottom protects floors from scrapes and gouges as well as roofs from damage that can cause leaks.
    For
    Channel
    Mounting Hole
    Post
    Orientation
    Ht.
    Wd.
    Lg.
    Wd.
    Ht.
    Thk.
    No.
    of
    Dia.
    Ctr.-to-Ctr.
    Post Hole
    Dia.
    Fasteners
    Included
    Each
    Style 3—Floor and Roof Mount
     
    Black Plastic
    Straight1 5/8"1 5/8"12 3/8"12 3/8"4 5/8"11/16"47/16"10 7/8"1/2"Yes33145T7910000000
     

    Aluminum Slip-On Framing and Fittings

    Half the weight of steel, this aluminum framing resists corrosion in wet environments. Slip the fittings over rails to construct custom railings, guard rails, storage racks, and shelving. Tighten the included set screws for a secure hold.
    Connectors
    Image of ProductInUse. Front orientation. Exploded view. Slip-On Framing and Fittings. Aluminum Slip-On Framing and Fittings, Connectors, Tee.

    Tee

    Image of ProductInUse. Front orientation. Contains Annotated. Slip-On Framing and Fittings. Aluminum Slip-On Framing and Fittings, Connectors, Adjustable Angle Wye.

    Adjustable

    Angle Wye

    Adjustable Angle—Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.
    Anodized Aluminum—Anodized aluminum resists corrosion and wear better than uncoated aluminum and has a finished appearance.
    Powder-Coated Aluminum—Black powder-coated aluminum blends in with backgrounds and hides dirt and grime.
    UL 2703—Fittings that meet UL 2703 are approved for use in solar rack mounting systems.
    For Rail
    OD
    For Pipe
    Size
    No. of Through
    Holes
    Includes
    Specs.
    Met
    Each
    Tee
     
    Aluminum
    1"3/4
    Set ScrewsUL 27034698T91000000
    1 3/8"1
    Set ScrewsUL 27034698T9200000
    1 5/8"1 1/4
    Set ScrewsUL 27034698T9300000
    1 7/8"1 1/2
    Set ScrewsUL 27034698T9400000
    2 3/8"2
    Set ScrewsUL 27034698T21900000
     
    Anodized Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T34400000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T34500000
     
    Black Powder-Coated Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T37700000
     
    Adjustable Angle Wye
     
    Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T30900000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T30800000
     
    Anodized Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T31900000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T32100000
     
    Black Powder-Coated Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T35700000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T35800000
     
    Through-Hole Connectors
    Image of ProductInUse. Front orientation. Exploded view. Slip-On Framing and Fittings. Aluminum Slip-On Framing and Fittings, Through-Hole Connectors, Tee.

    Tee

    Image of ProductInUse. Front orientation. Exploded view. Contains Annotated. Slip-On Framing and Fittings. Aluminum Slip-On Framing and Fittings, Through-Hole Connectors, Adjustable Angle Wye.

    Adjustable

    Angle Wye

    Image of ProductInUse. Front orientation. Exploded view. Contains Annotated. Slip-On Framing and Fittings. Aluminum Slip-On Framing and Fittings, Through-Hole Connectors, Adjustable Angle Cross.

    Adjustable Angle

    Cross

    Through-hole fittings allow rails to run all the way through.
    Adjustable Angle—Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.
    Anodized Aluminum—Anodized aluminum resists corrosion and wear better than uncoated aluminum and has a finished appearance.
    Powder-Coated Aluminum—Black powder-coated aluminum blends in with backgrounds and hides dirt and grime.
    UL 2703—Fittings that meet UL 2703 are approved for use in solar rack mounting systems.
    For Rail
    OD
    For Pipe
    Size
    No. of Through
    Holes
    Includes
    Specs.
    Met
    Each
    Tee
     
    Aluminum
    1"3/4
    1Set ScrewsUL 27034698T1400000
    1 3/8"1
    1Set ScrewsUL 27034698T150000
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T1600000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T1700000
     
    Anodized Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T34200000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T34300000
     
    Black Powder-Coated Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T37600000
     
    Adjustable Angle Wye
     
    Aluminum
    1"3/4
    1Set ScrewsUL 27034698T9600000
    1 3/8"1
    1Set ScrewsUL 27034698T9700000
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T9800000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T9900000
    2 3/8"2
    1Set ScrewsUL 27034698T22100000
     
    Anodized Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T34800000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T34900000
     
    Black Powder-Coated Aluminum
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T38100000
     
    Adjustable Angle Cross
     
    Aluminum
    1"3/4
    1Set ScrewsUL 27034698T8600000
    1 3/8"1
    1Set ScrewsUL 27034698T8700000
    1 5/8"1 1/4
    1Set ScrewsUL 27034698T8800000
    1 7/8"1 1/2
    1Set ScrewsUL 27034698T8900000
    2 3/8"2
    1Set ScrewsUL 27034698T2400000
     
    Through-Hole Rail Mounts
    Image of ProductInUse. Front orientation. Slip-On Framing and Fittings. Aluminum Slip-On Framing and Fittings, Through-Hole Rail Mounts, Flush.

    Flush

    Through-hole fittings allow rails to run all the way through.
    Through-hole rail mounts secure long runs of railing.
    Anodized Aluminum—Anodized aluminum resists corrosion and wear better than uncoated aluminum and has a finished appearance.
    Powder-Coated Aluminum—Black powder-coated aluminum blends in with backgrounds and hides dirt and grime.
    UL 2703—Fittings that meet UL 2703 are approved for use in solar rack mounting systems.
    Flange
    Mounting
    Holes
    For Rail
    OD
    For Pipe
    Size
    No. of Through
    Holes
    Lg.
    Wd.
    Overall
    Ht.
    No.
    of
    Dia.
    Mounting Fasteners
    Included
    Includes
    Specs.
    Met
    Each
    Flush
     
    Aluminum
    1"3/4
    13 1/2"1 7/8"1 3/4"25/16"NoSet ScrewsUL 27034698T1000000
    1 3/8"1
    13 1/2"2 3/8"1 7/8"45/16"NoSet ScrewsUL 27034698T200000
    1 5/8"1 1/4
    14 1/8"3"2 1/8"47/16"NoSet ScrewsUL 27034698T300000
    1 7/8"1 1/2
    14 3/8"3 1/8"2 1/2"47/16"NoSet ScrewsUL 27034698T400000
    2 3/8"2
    15"3 3/4"2 7/8"47/16"NoSet ScrewsUL 27034698T18500000
     
    Anodized Aluminum
    1 5/8"1 1/4
    14 1/16"2 15/16"2 1/8"47/16"NoSet ScrewsUL 27034698T33300000
    1 7/8"1 1/2
    14 5/16"3 1/8"2 1/2"47/16"NoSet ScrewsUL 27034698T33400000
     
    Black Powder-Coated Aluminum
    1 5/8"1 1/4
    14 1/16"2 15/16"2 1/8"47/16"NoSet ScrewsUL 27034698T36800000
    1 7/8"1 1/2
    14 5/16"3 1/8"2 1/2"47/16"NoSet ScrewsUL 27034698T36900000
     

    Safety Railing Connectors

    Half the weight of steel, this aluminum framing resists corrosion in wet environments. Slip the fittings over rails to construct custom railings and guard rails. Tighten the included set screws for a secure hold.
    Connectors
    Image of ProductInUse. Front orientation. Exploded view. Safety Railing Connectors. Tees.

    Tees

    Black Powder-Coated Aluminum—Black powder-coated aluminum blends in with backgrounds and hides dirt and grime.
    UL 2703—Fittings that meet UL 2703 are approved for use in solar rack mounting systems.
    For Rail
    OD
    For Pipe
    Size
    Includes
    Specs.
    Met
    Each
    Tees
     
    Black Powder-Coated Aluminum
    1 7/8"1 1/2
    Set ScrewsUL 27035062T68000000
     
    Through-Hole Connectors
    Image of ProductInUse. Front orientation. Exploded view. Safety Railing Connectors. Tees.

    Tees

    Image of ProductInUse. Front orientation. Exploded view. Contains Annotated. Safety Railing Connectors. Adjustable-Angle Wyes.

    Adjustable-Angle

    Wyes

    Through-hole fittings allow rails to run all the way through.
    Adjustable-Angle Wyes—Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.
    Black Powder-Coated Aluminum—Black powder-coated aluminum blends in with backgrounds and hides dirt and grime.
    UL 2703—Fittings that meet UL 2703 are approved for use in solar rack mounting systems.
    For Rail
    OD
    For Pipe
    Size
    No. of Through
    Holes
    Includes
    Specs.
    Met
    Each
    Tees
     
    Black Powder-Coated Aluminum
    1 7/8"1 1/2
    1Set ScrewsUL 27035062T43000000
     
    Adjustable-Angle Wyes
     
    Black Powder-Coated Aluminum
    1 7/8"1 1/2
    1Set ScrewsUL 27035062T7100000
     
    back to top