Material: Steel 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 with hooks Coated: Oiled Tempered Assembly service life : 18,000 cycles Manufacturer warranty: 3 years Package: Wooden case
Application
· 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 Torsion spring counterbalance the weight of your shutter door to ensure easy lifting.
Technical Data
We specialized in manufactured our replacement Mini Warehouse Springs using a Class 11 oil tempered wire with a heat treated coating to resist rust. Each month we exported Self Storage Door Torsion Springs & Mini Warehouse Garage Door Springs to USA, Canada, UK and Australia. In particular, torsion springs counterbalance the Roll Up Door’s weight and make it easy to open and close.
Standard Features
(1) High tensile (2) Oil tempered (3) Corrosion resistant (4) Long cycle life (5) Meet ASTM A229 Standard
Determine What Size Roll-up Door Springs You Need
It is very important that you order the proper Self Storage Door Springs or Mini Warehouse Door Springs for your Roll Up Door. You will need to make several important measurements that must be accurate. If you are not careful when you make these measurements, your roll-up door may not work as it did before. To measure Roll Up Door Springs, follow each of the following four steps carefully. (1) Measure Spring Wire Size (2) Measure Spring Inside Diameter (3) Measure Spring Length (4) Determin Wind of Torsion Spring (Left Wound or Right Wound)
WARNING
Torsion springs and related door hardware can cause serious injury or death if not handled and installed properly. Professional installation is recommended.DO NOT attempt to install springs or hardware 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.
