Square Metal Tubing | McMaster-Carr

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T-Slotted Framing Rail Profile

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90° Angle with Threaded Stud

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Inside Width

Strut Channel Type

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T-Slotted Framing Component

Export Control Classification Number (ECCN)

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DFARS Specialty Metals

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Single Rail Profile Style

Inside Height

Strut Channel Framing Component

Offset-Surface Bracket

Outlet Box

Outlet Cover

Panel-Mounting Bracket

Thickness

Outside Corner Shape

Channel Height

2,655 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

77 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

116 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

61 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

11 products

Building and Machinery Hardware

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

125 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

928 products

Press-Fit Framing Rail Ends

Bolt rails to floors, walls, and ceilings to secure your press-fit structure

1 product

Press-Fit Framing Rails

Set up temporary partitions, guards, and displays using only a hammer

43 products

Press-Fit Framing Caps

Push into press-fit rails for a finished look that keeps out debris

1 product

Press-Fit Framing Connectors

Tap into place with a hammer to join two or more press-fit rails

29 products

Press-Fit Framing Feet

Level and stabilize structures by inserting into ends of press-fit rails

1 product

Press-Fit Framing Braces

Reinforce the corners of press-fit structures

2 products

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

40 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

1,180 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

12 products

Fabricating and Machining

Strut Channel Cutters

Shear strut channel down to size using a die instead of a blade for safer, cleaner cuts

1 product

Electrical

Electrical Enclosure Mounting Channels

Position components inside electrical enclosures without drilling holes, which can leak

9 products

Material Handling

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

9 products

Pipe Supports

Brace pipe, tube, and conduit that needs to be routed between studs or elevated off the floor

9 products