Professional garage door hardware manufacturer in China for 13years    

We have black and galvanized garage door spring and related different sizes of garage door spring fitting such as 1 3/4’’, 2’’, 2 5/8’’, 3 3/4’’, 5 1/4’’, 6’’. The material of garage door spring fitting is aluminum.

The spring mainly plays a balancing role, reducing the burden on the motor. The strength of the spring and the strength of the door are quite ideal.

The thickness of the garage door spring bumper is 2.5mm. We have a small size, 15’’, 27’’. It is provided with a 2’’ rubber stop.

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