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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 Fabrication & Joining


Die Cast L Corners

Testrite stocks a 90 degree die cast zinc L corners for our 7/8” OD thin walled tubing. We also stock a 95 degree die cast L corner for our 1” OD thin walled tubing. Both include holes for affixing to tubing. Tight pressure fit ensures sturdy construction.

Tube Expansion and Indenting

Typically, an outside tube is indented providing a stop for an inside tube with an expanded line.

Threaded Connector (low cost)

These steel threaded tubing inserts are placed into a tube with hydraulic forces. Once in, the design of the fins help keep the connector secure. While appropriate for many applications, these are not appropriate for higher stress applications. They can be used with round or square tubing.

Tube Notched Ends for Joining

By notching a tube end and intersecting with another tube using tube connectors at 90 degrees, a strong, cost effective joint is achieved. 

Tube Bending

We bend aluminum tubing and we bend steel tubing for various applications. Certain diameters and radii only.

Tube Piercing

For small runs, we can mill out slots or other irregular shapes in a tube. For larger runs, our in house toolmakers can manufacture a die which is much more efficient for production.

Swaged aluminum tubing

Swaged aluminum tubing is an economical way to form leg ends, so one leg nests into another. A 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 Spring Button.

Spring Buttons

Can use to join telescopic tubes together when one fits into another.  Best with non-rotational tubing.

Strengthened Plastic 3-Way Snap Corners

Our 3-Way plastic corners for round aluminum tubing are designed for our 1-1/4" tubing. We have both Rectangular 3-Way corners and Triangular 3-Way corners. These spring button corners are easy to install while rivets can be used for permanent applications. Can create lightweight aluminum rectangles, triangles and frames.

Plastic 3-Way Snap Corners Assemblies


Solid Aluminum Bushing

We manufacture our own turned aluminum bushings in house. Each is made from a single piece of aluminum. They are press fit in. In most sizes of tubing (all but our smallest diameters), we drill holes in the tube and bushing after installation and secure the bushing in place with steel pins. Solid bushings offer the strongest possible connection outside of welding.


We weld aluminum to aluminum and we weld steel to steel. We do welding of tubing where appropriate as well as welding many shapes and brackets. We have an experienced team of welders and a variety of methods and equipment.

Gas springs for telescopic tubes

Testrite has experience manufacturing telescopic tubing with gas springs to customer specifications. Gas springs allow tubes to extend as soon as locking pressure is eased or removed. Various gas spring pressures are available. Reach out today and let us know what you need.

Hinge eye and custom fittings

Testrite manufactures and offers a wide range of hinge eyes, clevises, elbow joints, ball joints, drop in fittings, and other metal fittings. Let us know your specifications and we can let you know what we’re able to manufacture.

Tool and Die Rack

Automatic Screw Machining

Cross Cut Saw

Mig Welding

Laser Cutting

In-House Operations
  • Assembly
  • Automatic Screw Machining
  • Bending
  • Box Making
  • CAD Services
  • Cutting
  • Design & Engineering
  • Drilling
  • Forming
  • Imprinting
  • Laser Cutting
  • MIG & TIG Welding
  • Milling
  • Mitering
  • Notching
  • Piercing
  • Riveting
  • Spot Welding
  • Swaging
  • Threading
  • Tool & Die Making
  • Wireforming

Plus packing, packaging design
     and full logistical support.