| Surface treatment: | galvanized, , electrophoretic coating, oxide coating | Certification: | ISO 9001:2008 |
| payment terms: | L/C, Western Union, D/P, D/A, T/T, MoneyGram | model: | OEM production |
| Material: | Steel, carbon steel, stainless steel, alloy, steel | style: | Coil |
| Origin: | CN,Tianjin,Tianjin, China | port: | Tianjin Shanghai |
| product name: | torsion spring | Species: | Black torsion spring and galvanized torsion spring |
| Wire diameter: | 0.1-50mm, according to your requirements | brand: | Wang Xia |
| Load type: | torque | deliver goods: | within 20 days |
| Supply capacity: | 100000 pieces per week | usage: | Roller doors, Garage doors, Industrial, Furniture |

|
Material |
high carbOn Steel: 77B/82B |
|
Wire diameter |
5mm/5.5mm/5mm/6.5mm/7mm/7.5mm |
|
the inside diameter of |
50.8mm -152mm |
|
outer diameter |
325 mm - 3500 mm
|
|
surface |
Oil Tempered/Black Coated/Corrosion Resistant
|
|
usage |
Roller shutter/garage door/industrial/furniture
|








