קפיץ פיתול כבד

1138 heavy duty torsion spring products are offered for sale by suppliers on Alibaba.com, of which springs accounts for 73%, truck suspensions accounts for 3%, and trailer parts & accessories accounts for 1%. A wide variety of heavy duty torsion spring options are available to you, such as stainless steel, carbon steel and spring steel.You can also choose from gas spring, compression spring and torsion spring heavy duty torsion spring,as well as from industrial, motorcycle, and cabinet door heavy duty torsion spring,and whether heavy duty torsion spring is black, or silver.