Tube Extensions | McMaster-Carr

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Material

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System of Measurement

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Bolt-Together Framing Component

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Rail Type

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DFARS Specialty Metals

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Compliant with Exemptions

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Thickness

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Zinc Yellow-Chromate Plated

Framing Type

Performance

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Inside Height

565 Products

Building and Machinery Hardware

Weld-Together Framing Rails

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

32 products

Clamp-On Framing Connectors

Two-piece design wraps around rails to modify structures without disassembling them

15 products

Clamp-On Framing Rails

Build assembly stations, conveyors, and racks that can be modified without dismantling them

8 products

Bolt-Together Framing Rails

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

22 products

Bolt-Together Framing Fasteners

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

13 products

Bolt-Together Framing Feet

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

5 products

Bolt-Together Framing Structural Brackets

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

37 products

Bolt-Together Framing Hinges

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

3 products

Bolt-Together Framing Floor Mounts

Install bolt-together rails into the ground

2 products

Raw Materials

Aluminum

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

39 products

Brass

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

60 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

22 products

Fastening and Joining

Spring Button Clips

Join pieces of telescoping tubing using spring force

40 products

Gravity Pins

Slip through holes in telescoping tubing and wrap around to secure

1 product

Material Handling

Shipping Tubes

Protect rods, rolled-up blueprints, and other long, thin objects during shipping

258 products

Scaffold Locking Pins

Fasten base plates, guardrail posts, and other components to scaffold frames

4 products

Sealing

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

2 products

Containers, Storage, and Furniture

Temporary Partition Poles

Support tarps, drop cloths, and plastic sheeting to create temporary walls that block dust

1 product