Square Framing | McMaster-Carr

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Material

Rail Type

I-Slotted/Single Flanged

Bolt-Together Framing Component

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Length

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Outside Width

REACH

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RoHS

Compliant with Exemptions

Finish

Mounting Hole Center-to-Center

0.75"

1.5"

1 7/8"

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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Corner

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Press-Fit Framing Component

DFARS Specialty Metals

Outside Height

Mounting Hole Shape

Thickness

Press-Fit Framing Component Type

Width

Press-Fit Framing Connection

237 Products

Structural Framing

Aluminum Bolt-Together Framing and Fittings

Half the weight of steel, this aluminum framing resists corrosion in wet environments.

Steel Bolt-Together Framing and Fittings

Rails are drilled with consistently spaced holes for multiple mounting options that do not require machining. Use this steel bolt-together framing to build guards, tables, and racks.

Flat and Angled Bolt-Together Framing and Fittings

Press-Fit Framing and Fittings

No need for fasteners—friction holds this framing together. Use press-fit framing and fittings to assemble carts, enclosures, and partitions.

Telescoping Weld-Together Rails

Create posts of varying lengths.

Weld-Together Framing and Fittings

Create strong structures by welding this framing together. Add metal panels to close off openings.