Material: Powder coated-baked gloss finish wire
Inside diameter :1 3/4’, 2’, 2 5/8’, 3 3/4’, 5 1/4’, 6’
Length : Welcome to custom all kind of length
Product type:Torsion spring without cones
Coated: Black Coated
Assembly service life : 18,000 cycles
Manufacturer warranty: 3 years
Package: Wooden case
· High-lift and vertical-lift doors
· Roll-out garage doors on tracks
· Heavy-duty overhead doors at industrial loading docks
· Hinged garage doors
· Most other styles of residential and commercial automatic and manual garage doors
It’s also called Snake spring and long torsion spring .
Torsion spring counterbalance the weight of your shutter door to ensure easy lifting.
We specialize in manufacturing high quality Roll Up Door Torsion Springs which meet USA ASTM A229 standard, we offer Roll Up Door Torsion Springs in 1.75” , 2” , 2 5/8” , 3 3/4” , 5 1/4” and 6” inside diameters in multiple wire sizes ranging from 0.162″, 0.177″, 0.182″, 0.192″, 0.207″, 0.218″, 0.225″, 0.234″, 0.243″, 0.250″, 0.262″, 0.273″, 0.283″, 0.295″ ,0.393″, 0.406″ to 0.437″ . All our Roll Up Garage Door Springs are made from high-tensile, oil-tempered spring wire and come in a range of sizes to suit different door weights.Each month we exported almost 8000 pairs Roll Up Garage Door Springs to USA, Canada, UK and Australia.
It is very important that you order the proper Springs for your Roll Up Garage Doors. To measure Roll Up Garage Doors Springs, follow each of the following four steps carefully.
(1) Measure Spring Wire Size
(2) Measure Spring Inside Diameter
(3) Measure Spring Total Length
(4) Determin Wind of Spring (Left Wind or Right Wind)
Torsion Springs and related Roll Up Door Parts can cause serious injury or death if not handled and installed properly. Professional installation is recommended.
Do NOT attempt to install Torsion Springs or Roll Up Door Parts yourself unless you have the proper tools, reasonable mechanical aptitude and experience, and upper arm strength. Read and understand all instructions before you begin work.