★ Applications: Nutsx Screws、Washers、Hooks、Balls★ Grade: 302,304(H),316,130M,631J1 etc.★ Wire diameter: Φ0.2-13.0mm★ Characteristics : Excellent straightness & helix with good cast; Uniform & beautiful surface condition; High elasticity. and high anti-fatigue; Strong corrosion-resistance against exposure to the toughest atmosphere.