Prototractor – Tube bending protractor that builds your prototype!

$79.00 - $99.00
(1 customer review)
Read below about how these will save you money and time. You can Prototype your tube in PVC in minutes and get your layout done without an app or computer! The 3.5",4.5", and 6.5 " CLR ProtoTractors orders will ship by the end of September. The MagRings for the 6.5", 6.0", and 5.5 " CLR will arrive by the end of September and ship shortly after. Don't hesitate to contact us for more information regarding shipping times. The 5.5" and 6.5" CLR ProtoTractors will arrive by the end of September. The 3.5" and 4.5" CLR MagRings are currently TBA.    
Category:
  • Weight:

    1 lbs

  • Dimensions:

    10 × 10 × 2 in

BUILD IT YOUR WAY

Customize The Options To Get The Perfect Tool For Your Needs

Prototractor - Instant Prototypes, Fast Layouts, Accurate results!

Prototractor - Instant Prototypes, Fast Layouts, Accurate results!

Protractor that uses PVC pipe to mock up your parts, Measures rotation between bends with ease!
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Prototractor - Mag Rings

Prototractor - Mag Rings

Adjust your roll cage gaps in seconds!
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Prototractor - Pipe PVC Cutters

Prototractor - Pipe PVC Cutters

$20.00 each

Description

Prototractors were designed to save you money and time.

You can quickly prototype your tube project in PVC and read off your lengths, rotations, and bend angles in seconds. There is no faster way to lay out the tube, period!

  • Made in the USA from premium T304 stainless steel
  • US Patent Pending
  • Allows you to get the best-fitting cage possible
  • Angles from 0 to 105 degrees
  • Accurately measure rotation between bends (bend plane angles) with ease!

These tools were designed to make your cages fit better, and that is exactly what they do! *full video coming soon*

Prototractor Photo 1

Prototractor Photo 2

Prototractors even work well for EXO cage layout and design!

Cut PVC and assemble:
01 Overall

Mark the centerline of bend 1, and mark the centerline of bend 2:
03 Mark Line And Rotation

Read off your bend-to-bend rotation for your layout! No more scrap.
04 Measure Rotation

Materials: Stainless steel (raw material sourced from France or Taiwan, NOT China), Stainless and Zinc plated hardware, Made-in-USA PEM nuts and thumb screws, Mil-Spec cadmium plated high carbon steel washers.

Specifications: Minimum tube length between bends: 4.6″ to 6.0″ depending on size/radius (can be trimmed for closer bends). Bend angles from 0.0 to 105 +/- degrees. Rotation between bends 0.0 to 177.5 degrees (once you get to 180 degrees, the bends are co-planar, and you will not need to measure rotation between them).

In stock now: 3.5, 4.5, 6.0 inch CLR/radius Prototractors, PVC cutting tools
In stock by 9/25/2024: Mag rings for 1.66 Od PVC (for 6.0″ CLR Prototractor)
No estimate on stock date: Mag rings for other sizes
Call us for more information. Prototractors are a registered trademark of Chassis Fab Parts, LLC. It is backed by a 1-year warranty against parts and workmanship defects only.

1 review for Prototractor – Tube bending protractor that builds your prototype!

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    +1
    skyway2k
    01/17/2025
    Just wanted to say how absolutely pleased I am with this tool! Up until yesterday, I had not bent any tubing, and the first piece I made was a replacement roll cage post out of 1.75x.095 DOM. Used the Prototractor and, of course, the Rogue Fab bender with mandrel attachment. I could not have been more happy with how it turned out. Actually surprised myself how well it turned out on the first try. Calculated the cut length and the bend degrees and location, laid it out, bent it, notched it, and it dropped right in. Love it!!
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