Truss Tube Components
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We buy our inserts in large lots so we can pass the savings on to you. We are scope designers and builders so we understand the importance of a selection of sizes. All inserts have 1/-4-20 threads. You can use these TUBE ENDS to make your own truss tube clamps, they are precision machined out of aluminum and are inexpensive.  Tube sizes 3/4 to 1 1/2 Above you see four cylinders we call INSERT GUIDES, they make installing inserts a breeze.  Also a selection of the knobs we use on our various clamps, as you may need a replacement someday.

Threaded insert --1 1/2 in diameter tube
These inserts are the standard for providing a way to mount your truss tubes with a 1/4-20 threaded fastner.  Almost essential for buliding a standard two ring cage, once they go in they don't want to come out.  Fits tube inside diameter 1.370-1.410
 (.049 to .063 thick wall tubing).
$1.20 ea  
Theaded insert --1 1/4 in diameter tube
Fits tube inside diameters of 1.120-1.160.  (.049 to .063 wall).  If you have used this type of insert before you know they don't always go in as straight as you would like. We use a simple tool called an Insert Guide to make sure they start and stay straight all the way in, as seen  below.
$1.20 ea.  
Threaded insert --1 1/8 in diameter tube
Fits tube inside diameters of .995-1.030 (.049 to .063 wall).  This truss tube size can seem an odd choice and is by far the least used.  It really comes in handy when using our TUBE JOINER for breakdown trusses.
$1.00 ea.  
Threaded insert -- 1.0 in diameter tube
Fits tube inside diameters of .870-.935  (.035 t0 .049 wall).
This truss tube size is the standard for most scopes up to 16in. mirror size.
$1.00 ea.  
Threaded insert --7/8 in diameter tube
Fits tube inside diameters of .745-.800 (.035 to .049 wall).
This tube size can give a small scope a lighter more streamlined look
$0.85 ea.  
Threaded insert --3/4 in diameter tube
Fits tube inside diameters of .680-.690 (.035 wall only).
$0.85 ea.  
TUBE END -- 1 1/2 dia tube x .049 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 3/16 thick black anodized aluminum with a hole at the top for a #10 screw.  You can easliy drill out the hole for a 1/4 in fastner if needed.
$6.00 ea.  
TUBE END -- 1 1/4 dia tube x .049 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 3/16 thick black anodized aluminum with a hole at the top for a #10 screw.  You can easly drill out the hole for a 1/4 in fastner if needed.
$5.00ea.  
TUBE END -- 1 1/8 dia tube x .049 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 3/16 thick black anodized aluminum with a hole at the top for a #10 screw.  You can easliy drill out the hole for a 1/4 in fastner if needed.
5.00 ea.  
TUBE END -- 1 dia tube x .049 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 3/16 thick black anodize aluminum with a hole at the top for a #10 screw.  You can easliy drill out the hole for a 1/4 in fastner if needed.
$4.00 ea.  
TUBE END -- 1 dia tube x .035 wall
These are the same parts we use on our Quick Release Cage clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 3/16 thick black anodized aluminum with a hole at the top for a #10 screw.  You can easliy drill out the hole for a 1/4 in fastner if needed.
$4.00 ea.  
TUBE END -- 7/8 dia tube x .049 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 1/8 thick black anodized aluminum with a hole at the top for a #10 screw.
$4.00 ea.  
TUBE END -- 7/8 dia tube x .035 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 1/8 thick black anodized aluminum with a hole at the top for a #10 screw.
$4.00 ea.  
TUBE END -- 3/4 dia tube x .035 wall
These are the same parts we use on our Quick Release Cage Clamps. They are cut to fit down inside the truss tubes to give you a locking connection.  Made of 1/8 thick black anodized aluminum with a hole at the top for a #10 screw.
$3.50 ea.  
Insert Guide This tool will make installing inserts a pleasure,and it comes in five sizes for1 1/2 to 1 inch tubing.  My experience with tubing smaller than 1 inch leads me to say this tool is helpfull but not necessary and that is why they are not offered.  See the two videos below  for how to use them.
1 1/2 tube diameter x .049 wall $8.00 How to video INSERT GUIDE-Windows
1 1/4 tube diameter x .049 wall $8.00 How to video INSERT GUIDE- Quicktime
1 1/8tube diameter x .049 wall $8.00
1 tube diameter x .049 wall $8.00  
1 tube diameter x .035 wall $8.00  
   
KNOB 7/8 DIA.  10-32 THREAD
This is a light duty knob, stands 1/2 inch high with a 5/8 base diameter
$2.00 ea.  
KNOB 1 1/4 DIA.  1/4-20 THREAD
This knob is the same one we use on our Cage Truss clamps. The height is 3/4 and the base diameter is 5/8
$2.50ea.  
KNOB 1 1/2 DIA.  1/4-20 THREAD
With the increase diameter this knob can give you more torque, which can make it easyier to tighen something up but harder to get it off.
$3.00 ea.  
KNOB WING   1/4-20 THREAD
We use this knob on our TRUSS BRACKETS where it creates an interlock to secure the truss connection. This knob is best  used in applications where there isn't enough room for fingers with a full round knob, or when little more torque is needed.
$3.00 ea.  
  Mimimum purchase for this page is $20.00
Shipping cost is $8.00 - $12.00 depending on the size of the package.
   

Home Custom Machining  Mirror Cells Filter Wheel Truss Clamps Cage Truss Clamps Truss Tube Parts
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          Contact us: 
           6644 SE Jerry Dr. 
           Prineville Oregon
           Phone: 541-362-5965
              e-mail: nathan@aurorap.com