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Box Truck Door Spring,
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Factory directly supply Rolling Door For Shed - Heavy Duty Garage Door Springs – Bestar Detail:
We offer Heavy Duty Garage Door Springs in 1.75” and 2” diameters in multiple wire sizes ranging from 0.192, 0.207, 0.218, 0.225, 0.234, 0.243, 0.250, 0.262 to 0.272.
All our Heavy Duty Garage Door Springs are black coated, corrosion resistant and oil tempered. They can endure approximately 10,000-15,000 open and close cycles, depending on the springs and usage.

How To Measure Garage Door Springs?
To measure the torsion springs, follow the following four steps carefully.
(1) Measure Torsion Spring Inside Diameter (1 3/4” or 2”)
(2) Measure Torsion Spring Wire Size
(3) Measure Torsion Spring Length
(4) Determine Torsion Spring Wind (Left Wound or Right Wound)

Product detail pictures:
![Factory directly supply Rolling Door For Shed - Heavy Duty Garage Door Springs – Bestar detail pictures]()
Related Product Guide:
With responsible good quality method, good status and excellent client services, the series of solutions produced by our company are exported to lots of countries and regions for Factory directly supply Rolling Door For Shed - Heavy Duty Garage Door Springs – Bestar, The product will supply to all over the world, such as: Mauritius, Latvia, Mali, By integrating manufacturing with foreign trade sectors, we can provide total customer solutions by guaranteeing the delivery of right products to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified products and the control of the industry trend as well as our maturity before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.