Constant force spring

Materials : Carbon steel
Wire Thickness: 3.0 MM
*Outside dimension: Φ70.0XH8 .5MM
*Surface Finsh: galvanization
*Shape of wire: strip
*Shape of products: default
*Ends: default
*Capability : processing wire thickness from 0.08-8.00 MM
*Orders: OEM/ODM are highly welcomed