Garage Door Torsion Spring Operating cycle is 60000 operation cycle. Oil-tempered process. Galvanized Springs are optional

1). Torsion spring type: it can be made of Oil-tempered Process or Zinc Galvanized Process.

  

2). The Torsion Spring's size, length such Dia.of steel, steel type can be customized according to customer's requirements. It's more easily for customer to cut or adjust. 

3). Operating cycle of torsion spring is 60000 operating cycles.

4). Delivery to Destination can be organized by our factory.

Torsion Spring of Automatic Garage Door --- European Union Security and Safety Approved