... Riveting nut(Flat head,Knurled body , Closed end) Specification:M3-M12 material: steel, stainless ... aluminium. Riveting nut(Flat head,Knurled body , Closed end) We use cold forged technique, not only save ... ,countersunk head, round body, hex body, open end, closed end, body with ribben, body with groove and so ... 2.GB 3.IFI 4.SP 5.DIN 6.JISinsert nuttubular nutrivetsthread nutcap nutnotch plus nutflange ...