ボルト: ASTM A325/A325M, ASTM A490/A490M, DIN 6914 ナッツ: ASTM A563/A563M, DIN 6915 ワッシャー: ASTM F436/F436M, DIN 6916, DIN 6917, DIN 6918
1/2'' ~1 1/2'', M12~M36, M12~M36
天然、黒、亜鉛メッキ、溶融亜鉛メッキ、…
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