Происхождение товара
Tianjin, China
Product name
Garage door torsion spring used on sectional doors
Material
Carbon steel 82B, Spring Steel, 60Si2Mn,Oil quenched steel wire
Surface treatment
Zinc Plating, Powder spraying, Chemical oxidation
Packing
Wooden box , Pallet
Application
Industry,Residential garage door,commercial rolling shutter door
Size
1 3/4'', 2'', 2 5/8'', 3 3/4'',5 1/4'',6''
Circles
More than 17000 times