Structural Tube Connectors | McMaster-Carr

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System of Measurement

Rail Height

Material

Stainless Steel

T-Slotted Framing Rail Profile

Attribute

Length

Color

Bracket Type

Adjustable Angle

Finish

Aluminum Coated

Thread Size

Strut Channel Type

Extra-Low Profile

Rail Width

REACH

RoHS

Compliant with Exemptions

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Framing Type

Locking Slotted

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Single Rail Profile Style

Angled One Slot

Angled Two Slot

Corner Two Slot

Half Round One Slot

Inline Two Slot

Low Profile One Slot

Radius Two Slot

Shape

Pipe Size

Slip-On Framing Component

Add-On Through-Hole Connector

Hole-Making Jig

Spec Image

Replacement Set Screws

Table Leg Mount

Through-Hole Connector

Through-Hole Rail Support

Through-Hole Reducer

Rail OD

Mounting Fastener Thread Size

T-Slotted Framing Nut Type

Easy-Slide Spring Tab

Hammer with Stud

Self-Aligning Spring Tab

Self-Aligning Spring-Loaded Ball

Self-Aligning with Handle

Set Screw and Spring-Loaded Ball

Single with Threadlocker

Spring-Loaded Ball

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4,797 Products

Building and Machinery Hardware

Slip-On Framing and Fittings

Slip-On Framing and Fittings

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

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

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

Flush-Fit Framing and Fittings

Flush-Fit Framing and Fittings

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

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

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

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

Connectors for Telescoping Tubes

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Fluid Handling

Tubing

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

Containers, Storage, and Furniture

Metal Panels

Close off openings in structures while allowing air to pass through

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Material Handling

Scaffold Clamps

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

Measuring and Inspecting

Stroboscopes

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

Raw Materials

Aluminum

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

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