Bolt, Nut, Customized Fastener manufacturer / supplier in China, offering Hexagon Flange Bolts M5*12 Full Thread DIN 6921 Galvanized 10.9, High-Strength Hexagon Nuts with Large Widths Across Flats for Structural Steel Bolting DIN 6915 M12 Grade 10, Hexagon Flange Nuts M8 ISO 4161 Galvanized DIN 6923 and so on.
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