Structural Shapes | McMaster-Carr

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T-Slotted Framing Rail Profile

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90° Angle with Threaded Stud

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8,321 Products

Raw Materials

Aluminum

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

1,380 products

Steel

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

797 products

Stainless Steel

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

371 products

Plastic

A lightweight alternative to metal and glass

826 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

186 products

Brass

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

151 products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

49 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

136 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

329 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

314 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

1,108 products

Strut Channel

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

108 products

Strut Channel Floor Mounts

Anchor strut channel structures to the floor

58 products

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

217 products

Strut Channel Structural Brackets

Join strut channel surfaces and corners to route conduit and pipe or build other structures

355 products

Strut Channel Washers

Pair with hex nuts to connect threaded rod to strut channel

144 products

Strut Channel Shelf Brackets

Support shelving by mounting inside strut channel

43 products

Strut Channel Beam Mounts

Run cable and conduit along a beam without drilling by mounting a length of strut channel inside

4 products

Strut Channel Braces

Reinforce the corners of strut channel structures

42 products

Strut Channel Wall Mounts

Secure strut channel to walls and posts

25 products

Strut Channel Outlet Box Covers

Enclose wiring within strut channel and knock out the holes to mount outlets and switches

1 product

Strut Channel Outlet Boxes

Mount outlets on strut channel to supply power where needed

2 products

Strut Channel Rail Supports

Mount heavy runs of rail, tube, or pipe to your strut channel

3 products

Strut Channel Handles

Mount between two pieces of strut channel to create a handhold

1 product

Strut Channel Stair Brackets

Mount stair treads to strut channel framing

1 product

Strut Channel Conduit Routing Mounts

Run conduit along strut channel to create a raceway for wiring

4 products

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

272 products

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

213 products

Bolt-Together Framing and Fittings

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

125 products

Press-Fit Framing and Fittings

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

74 products

Weld-Together Framing and Fittings

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

40 products

Locking-Slotted Framing and Fittings

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

10 products

Flush-Fit Framing and Fittings

Create smooth stair and platform railings by sliding fittings into rails and tightening the screws

11 products

Panel Connecting Trim

Connect two panels while protecting the edges from damage

33 products

Brackets

Connect surfaces in an assembly

350 products

Facility and Grounds Maintenance

Steel Hat Channel

Creates space for insulation inside walls and ceilings

2 products

Rebar

Reinforces concrete to reduce the chance it will crack from expansion and contraction

9 products

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Fastening and Joining

Weld Nuts

Weld to metal surfaces to add permanent threads

214 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

2 products

Material Handling

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Containers, Storage, and Furniture

Shelf Brackets

Mount and support shelves

66 products

Metal Panels

Close off openings in structures while allowing air to pass through

254 products