Heavy Hex Bolt DIN 6914/6915/69161.Dia: M16~UP2.Length:20mm~6000mm 3.Material: 45#4.Surface Treatment: dichromate, galvanized, black, plain, hot dip galvanized 5.ISO, DIN, ANSI, JIS standards Including GB1228-1231, GB3632, ASTM A325, ASTM A325M, DIN 912...
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