Nhazi Bolt Structural
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DIN6914/A325/A490 bolt nhazi hex dị arọ
Aha ngwaahịa DIN6914/A325/A490 Heavy hex structural bolt
Standard DIN,ASTM/ANSI JIS EN ISO,AS,GB
Steel ọkwa: DIN: Gr.8S 10S, A325, A490, A325M, A490M DIN6914
Emecha ZP, Hop Dip Galvanized(HDG),Black Oxide,
