Our company plant produce many types and kinds of cold heading hexagon nuts,in Germany ,USA,JAPANESE,ENGLAND etc standards.Size from M6,M8, to M24;kinds of connection hexagon nuts,castle hexagon nuts,flange nuts,nylon insert,electroplate zinc,colorful zinc plate and blue zinc plate,Also can do heat dip galvanzing crafts too.DIN934,DIN935,DIN6330,DIN6334,DIN985,DIN6926.....Class from class 4.8 ,class6,class 8.class 10,class 12.9;  Welcome the foreign customers and friends enquiry and cooperate to us.we'll supply the competitive price and best quality nuts in alrge quantity.