... Steel Spring Wire Grade:201,202,304,304L,304ES,316,316L Diameter:0.7-15mm Finish:bright,soft Packing:coil Product : Stainless Steel ... coating surface, low magnetism after cold, Cold heading wire is mainly used for various kinds of fasteners manufacturing including precision screws,bolts ... ,nail,stable, pins for construction and automotive. stock 300 stainless steel wire