FASTENING STRUCTURE, ALUMINUM WIRING MATERIAL, AND METHOD OF MANUFACTURING FASTENING STRUCTURE

A fastening structure includes a fastening member including a bolt (20) and a plurality of fastened members that are fastened and fixed to the fastening member. Further, the bolt (20) contains pure aluminum or an aluminum alloy. At least one fastened member of the plurality of fastened members contains pure aluminum or an aluminum alloy. Pure aluminum or an aluminum alloy of a screw portion (26) of the bolt is brought into direct contact with pure aluminum or an aluminum alloy of at least one fastened member.