This Hex Winding Bars is a pair of steel winding bars for adjusting and installing torsion springs. Torsion springs are wound with two bars used in turn, so one bar always holds the winding cone. Purpose-made steel bars are the only safe tool: screwdrivers and rebar slip out of the cone or bend under load.
Specifications at a Glance
Where It Goes
In the holes of the torsion spring winding cone.
Will It Fit?
- The bar diameter fits your winding cone holes critical
- You have read the winding procedure for your door critical
Not sure? Send us a photo of the part you are replacing and we will confirm it.
Full Technical Specifications
| Product type | Torsion spring winding bars |
|---|---|
| Material | High-strength steel |
| Ends | Precision-machined hex ends for a secure grip |
| Quantity | 2 bars (pair) |
| Category | Browse category |
What’s Included
In the box
- 2 × winding bars
Sold separately
- Gloves: work gloves
Frequently Asked Questions
Why two bars?
One bar holds the cone while you reposition the other. Never let go of the spring with only one bar in it.
Can I use a screwdriver instead?
No. Improvised tools are the leading cause of torsion spring injuries.
How is it shipped?
It ships by FedEx, or you can collect it from our Sacramento or Santa Clara store. See our shipping policy for current rates and dispatch times.
Why Choose This Hex Winding Bars
A correctly matched hex winding bars keeps your door running smoothly and safely, and is one of the simplest ways to fix a problem before it spreads to other parts.
Contact us if you would like the part confirmed before ordering.



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