Screws, Bolts, Nuts manufacturer / supplier in China, offering Plastic Box Packed Nylon Lock Nut, Galvanized Spring Steel Lock Washers, DIN7339 Countersunk Hollow Rivet and so on.
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Transhow Screws products, 7/16 hex flange bolt, meet ANSI/ASME standard requirement. Material Grade as per SAE J429-2011 Grade 8, tested by SGS