Metal Square Tubing | McMaster-Carr

Filter by

Material

For Use With

Outside Width

Outside Height

Shape

Wall Thickness

Length

Inside Width

Outside Corner Shape

Inside Height

Inside Corner Shape

System of Measurement

Inch

Metric

Specifications Met

ANSI/MSS SP-58 Type 23

ASTM Standard

EN Standard

Fed. Spec. WW-H-171 Type 23

IEC 61340-5-1

SAE AMS-T-6736

Yield Strength

Less than 31,000 psi

31,000 psi to 33,999 psi

34,000 psi to 39,999 psi

40,000 psi to 69,999 psi

70,000 psi or greater

Appearance

Width

Thickness

Rail Height

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

9A991

EAR99

DFARS Specialty Metals

Finish

Carriage Material

Base Material

Bolt-Together Framing Component

3,678 Products

Raw Materials

Steel

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

141 products

Aluminum

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

115 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

122 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

1,902 products

Strut Channel Framing and Fittings

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

1,074 products

Press-Fit Framing and Fittings

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

57 products

Locking-Slotted Framing and Fittings

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

11 products

Push-to-Close Latches

Automatically hold doors shut when you push them closed

9 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Material Handling

Trolleys

Transport hook-mount hoists along a beam for lifting and moving loads

5 products

Beam Clamps

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

9 products

Electrical

Electrical Enclosure Mounting Channels

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

9 products

Measuring and Inspecting

Stroboscopes

Shine a bright flashing light at moving belts and pulleys to measure speed and detect wear

3 products