Fastener, Nuts, Bolts manufacturer / supplier in China, offering Hex Bolts (High Quality Cl. 8 DIN961 Black), Heavy Hex Bolts (Full Thread ASTM A325m), High Strength Hex Nuts (DIN 6915 M12-M64) and so on.
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DIN931 DIN933 DIN960 DIN961 and so on,welcome to our company!