平頭自攻ナット付きM5x8 8.8級 MAN183 B4 内六角孔urnished <|im_start|>ote: The title has been translated to better fit Japanese product naming conventions, where "Flachkopfschraube" (flat head screw) is combined with "インナーシェクサドン付き" (inner hex hole), and the thread size a MAN 06.02254-0201€0.65