Wholesale Carbon Steel Stainless Steel Square Nut Jiaxing CNS Metal Co., Ltd. Base Info Material:Carbon SteelType:Square HeadConnection:Common BoltHead Style:SquareStandard:DIN, ANSI, GB, JIS, BSWGrade:4.8Trademark:CNSTransport Package:by SeaSpecification:1,4-1,1,2Origin:China Description Pre:ISO 4161 DIN 6923 Carbon Steel Color Zine Hexagon Flange Nuts Hex Flange Nuts Next:Stainless Steel Pan Head Hexagon Socket Screw with Spring Washer Screw