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Round Telescoping Aluminum Tubing Locks
Square Telescoping Tubing
Telescoping Aluminum Tube Ends & Attachments
1" Square Corners, Connectors, Tubing and Accessories
Telescoping Aluminum Tubing and Finishes
Telescoping Aluminum Tube Fabrication & Joining
Bases, Mounts & Clamps
Complete Telescopic Tubing Assemblies
Sheet Metal

Telescoping Aluminum Tube Ends & Attachments


Solid Aluminum Threaded Bushings

For rigorous applications.  Machined so tubes meet perfectly "flush" when screwed together. Made on our own automatic screw machines, all diameters are available. Custom threaded bushing inserts can be made for any commercially available thread.

Fabricated Steel U Channels

Testrite manufactures custom Steel U Channels to order. We have made thousands of custom U channels in our 102 year history, so let us know exactly what you need in a Request for Quote and we’re happy to help. Quantity minimums do apply for custom fabrication, though we keep them low. Check out the Fabricated Steel U Channel video for additional details.


Swaged aluminum tubing provides an economical way to form leg ends, so one leg nests into another. A swage and spring button can be an option. Swaging features close tolerances and provides great strength. We are tooled up for 3/4", 1", and 1-1/4" diameters. For other diameters - there is a one time, non-recurring setup charge. Available with and without optional steel Spring Button.

Spring Button Telescopic Tube Ends

Use Spring Button Ends to join telescopic tubes together and to attach accessories. Spring button ends are a cost efficient treatment for aluminum tube assemblies, enabling tool free attachment to other tubes or accessories. Available for all diameters.

Threaded Connectors

We can manufacture your custom telescopic aluminum tubing with male or female Threaded Connectors. Use one of each to join two tubes together.  Very cost effective. Available for all diameters. Available in 1/4 - 20 or 10-32 in many sizes.

Swivel Joints

All metal Ball and socket Swivel Joints allow for 360 degree rotation of two telescopic tubing assemblies. Made from metal castings and aluminum ball swivels, these pieces are durable and have some heft. We have a variety of other swivel options, including steel swivel brackets with pins, designed to suit your application.

Sign Holders and Graphic Holders

We have a wide variety of sign holder accessories for custom telescopic tube assemblies. Many sizes and styles are available.

Screw Machine Fittings

We are a manufacturer of custom automatic screw machine parts to pair with custom aluminum tubes, or our frames.

External Tube Thread

We can manufacture your custom telescopic aluminum tubing with threading on the outer wall. Used for our A Clutch lock, or to mate with your parts.

Formed Wire Hook

Testrite is a manufacturer of custom wire forms. We can bend a steel wire to suit your need, and preinstall in an aluminum bushing.

Rubber End Caps and Crutch Tips

Low cost, skid resistant, rubber end caps and crutch tips are available for our most popular telescopic tube diameters.

Plastic End Cap Closures

To finish off the top or bottom of your telescopic tube assembly, a plastic end cap is an economical option. Options include flat or rounded.

Foam Handles and Grips

Handles and grips for our telescopic tubing are available for most diameters.

Metal Leg Spikes

We can rivet Metal Leg Spikes to your telescopic tube assembly. Both fixed and fold-out leg spikes/ground spikes are available, these custom steel shapes can be made to your specifications.

Flattened Paddle End

For tubing applications that require a flat end, we can flatten our tubing and round the corners for a pragmatic solution that's both economical attractive.

Plastic Phenolic Knobs

We stock a variety of knobs to pair with your custom telescopic tube project. Male and female knobs are available in black and silver (in select styles). We also manufacture custom aluminum parts and custom steel pins (quantity dependent)

Male and Female Aluminum Pucks

Subcategory Description

Angle Cut End

We recognize a straight cut isn't right for every application. We can provide custom angle cut aluminum tubing. Custom angle cuts also available for steel tubing applications.

Tubing with Embedded Compression Spring

Testrite offers compression springs inside of telescopic tubing assembly. These are sometimes used to create tension after fully extending a tube, or allowing the tube to shrink during installation in a fixed area. These can be used with a spring button, allowing locking the tube in a or without. Telescoping tubes with compression springs are available with a variety of spring sizes.

Snap-On Plastic Flats

Available 3/4", 1", 1-1/4" and 1-1/2" diameters.  Great for taping, riveting or velcro-ing telescopic tubing attachments.

Graphic Sign Channels

Steel U Channel for holding graphics can be welded directly to steel, or a male thread can be attached for connecting to a female thread.

VM Clamps

In-House Operations
  • Custom Telescopic Tubing Assembly
  • Automatic Screw Machining
  • Steel bending and Aluminum Bending
  • Custom
  • CAD Design
  • Steel Cutting and Aluminum Cutting
  • Design & Engineering
  • Drilling
  • Forming
  • Imprinting
  • Laser Cutting
  • MIG Welding & TIG Welding
  • Milling
  • Mitering
  • Notching
  • Piercing
  • Riveting
  • Spot Welding
  • Swaging
  • Threading
  • Tool & Die Making
  • Wireforming

Plus packing, packaging design
     and full logistical support.


Tool and Die Rack

Automatic Screw Machining

Cross Cut Saw

Mig Welding

Laser Cutting

Specializing in Unique Solutions

  • Telescoping Tubes
  • Extension Poles
  • Folding Stands
  • Sign Frames
  • Mounts, Ball Swivels
  • Custom Steel Clamps
  • Instrument Attachments