M3 M4 M5 M6 M8 M10 M12 A4 STAINLESS STEEL WING NUTS BUTTERFLY NUT DIN 315. SIZES: M4 M5 M6. A4 STAINLESS STEEL BUTTERFLY WING NUTS DIN 315. High quality Stainless Steel hexagon nuts also known as a full nuts made of durable A4 DURABLE STAINLESS STEEL FOR MAXIMUM CORROSION RESISTANCE.
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