Steel Square Tubing | McMaster-Carr

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Material

Stainless Steel

For Use With

Stainless Steel

Outside Width

Outside Height

Shape

Rectangular Tube

Wall Thickness

Length

Inside Width

Outside Corner Shape

Inside Height

Inside Corner Shape

System of Measurement

Specifications Met

ANSI/MSS SP-58 Type 23

Fed. Spec. WW-H-171 Type 23

Appearance

Post Width

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

Thickness

Rail Height

Fabrication

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Base Material

Bolt-Together Framing Component

Bracket Fastener Set

Concrete Anchor

Surface Bracket

Telescoping Rail

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1,840 Products

Raw Materials

Steel

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

Stainless Steel

Stainless Steel

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

Building and Machinery Hardware

Bolt-Together Framing Rails

Bolt-Together Framing Rails

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

Bolt-Together Framing Structural Brackets

Bolt-Together Framing Structural Brackets

Connect the surfaces and corners of bolt-together rails to build guards, tables, and racks

Bolt-Together Framing Feet

Bolt-Together Framing Feet

Stabilize bolt-together framing structures against floors, walls, and ceilings

Bolt-Together Framing Fasteners

Bolt-Together Framing Fasteners

Secure bolt-together framing rails and brackets or anchor mounting feet in concrete

Bolt-Together Framing Hinges

Bolt-Together Framing Hinges

Add doors, lids, and machine guards to bolt-together framing

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

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

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

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

Containers, Storage, and Furniture

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Material Handling

Beam Clamps

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

Electrical

Electrical Enclosure Mounting Channels

Electrical Enclosure Mounting Channels

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)