Cuscinetto Alta Precisione Sfera Acciaio Massiccio Acciaio al Carbonio Sfera Piccola Acciaio Sfera

(Carbon Steel Beads Q235) (High Carbon Steel Beads 45 Steel) (Bearing Steel GCR15). Carbon Steel Beads / High Carbon Steel Beads / Bearing Steel Beads. Features: smooth and rounded appearance, high precision, wear resistant, high hardness, smooth surface, not easy to rust.

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