This part of GB/T 12618 stipulates that the nail body diameter d=3.2mm~6.4mm, the nail body material is nickel-copper alloy (NiCu), the nail core material is steel (St) or stainless steel (SSt), and the performance level is 40 And 41 mechanical properties and application data of open-type flat head blind rivets.
2006GB/T 12618.1-2006 Open end blind rivets with break pull mandrel and protruding head.Property class 10,11
1990GB/T 12618-1990 Mushroom head break mandrel blind rivets
GB/T 12618.6-2006 Open end blind rivets with break pull mandrel and protruding head.Property class 40,41 has been changed from GB/T 12618-1990 Mushroom head break mandrel blind rivets.