Self-Aligning Flange Nuts for Aluminum Profiles Yiwu Liqiu Trading Company Base Info Material:Carbon SteelType:Round HeadConnection:Common BoltHead Style:RoundStandard:DIN, GBGrade:8.8Specification:M5, M6, M8, M10, M12Origin:China Description Pre:Automotive Plastic Clip Next:M10 Serrated Flange Hex Lock Nuts 304 Stainless Steel Silver Tone