... lock riveth. Self-pierce rivets 2)Details Product name Pan head solid rivets Specification M1.2-M12MaterialMild carbon steel, medium ... copper,phosphorization, dacromet,cuprodine.Material grade A2,A4, 4.8,6.8,8.8,12.9Color Plain, blue plated, white ... there are unqualified,we take full responsibility for it. superiority Good quality,free for samples. Pan head solid rivets picturesCompany Information: ...