Bolts, Nuts, Washers manufacturer / supplier in China, offering ASTM A490 Type 1 Structural Bolt with A194 2h Hexagonal Nut, Heavy Hex Structural Bolts ASTM A325 Type 1 with A194 Nuts, F436 Flat Washer Hot DIP Galvanized, ASTM A490m Hex Head Bolts Gr. 10s with ASTM A563m Gr. 10s Hexagon Nuts Dacromet and so on.
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