Square Nut DIN557

• Material: Stainless Steel A2, A4, Carbon steel grade 4, 8, 10
• Size: M5~M20
• Standard: DIN557
• Product description: Square Nut DIN557 is from Fast Hardware Electronic Co., Limited which is a professional Square Nut DIN557, Stainless Steel Square Nut, Zinc Plated Square Nut, Galvanized Square Nut, Carbon Steel Squar
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