Specifications

Overhead Door Spring
* Wire Dia: 3.8 mm
* Length: 635mm (25")
* Finish: black e-coating
* Custom made

Overhead Door Spring

 

There are two kinds of spring for garage door installation, one is extension spring, the other is torsion spring, and the spring here is extension spring. It's can be made from your drawing, sample or detail dimensions.

 

 

1. Capabilities:

Material	Spring Steel Stainless Steel Low Carbon Steel High Carbon Steel Music Wire / Piano Wire Galvanized Steel Hard Drawn
Surface Finish	Zinc Plating Black E-Coating
Type of Loops	Crossover Loops Double Twisted Loops Full Loops Over Center Double Full Loops
Wire Diameter	up to 15 mm up to 0.59 in
Outer Diameter	up to 200 mm up to 7.87 in
Direction of Wind	Left Hand Right Hand

 

 

2. Production Process:

 

3. Certificates (ISO9001:2008 & ISO14001:2004):

 

4. Photos:

 

 

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