Product name
roller shutter door accessories torsion spring
Material
Stainless steel, spring steel, music wire
Surface treatment
Zinc Plating, Powder spraying, Chemical oxidation
Production time
10-12 days
Packing
Plastic Bag+Carton Box
Application
Industry,Residential garage door,commercial rolling shutter door
Wire diameter
5.0 mm,5.5 mm,6.0 mm,6.5 mm at customers' request
Keywords
Factory direct roller shutter garage door torsion spring For Sale