... sample 201 Polished Round Stainless Steel Wire in Coil Stainless steel Wire Specification:------------------------------------------------------------------1.Standards: GB AISI2. ... 20mm (requested by customer)4. Application: Widely used for manufacturing Spring, Screw, Bolt & nut, Steel ... Electronic accessories, Free cutting, Chains & balls, Watch band, Unbrella strings, Breast wires and so on.5. ...