Square Tubing Fittings | McMaster-Carr

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4,217 Products

Building and Machinery Hardware

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

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

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

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

Weld-Together Framing Connectors

Weld-Together Framing Connectors

Create permanent joints between weld-together rails to build heavy duty racks, shelving, and tables

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

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Measuring and Inspecting

Stroboscopes

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

Material Handling

Pipe Routing Saddles

Pipe Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

Beam Clamps

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

Pipe Hangers

Suspend pipe, conduit, and tube from threaded rods, hooks, and straps

Robot Tool Mounts

Robot Tool Mounts

Attach tools or extensions to robot arms

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Robot Base Mounts

Robot Base Mounts

Secure your robot arm to benches, frames, or other surfaces

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