This standard specifies the characteristics of solid rivets, with 100°countersunk normal head with dome, in titanium TI-P02, anodized, inch based series, for maximum operating temperature 315 ℃.
BS EN 3642:1997 history
1997BS EN 3642:1997 Rivets, solid, 100 ° countersunk normal head, with dome, in titanium TI-PO2, anodized, inch based series