ISO 7380-2 pdf screw a2 collar dimension standard

ISO 7380 consists of the following parts, under the general title Button head screws:

Part 1: Hexagon socket button head screws

Part 2: Hexagon socket button head screws with collar

This ISO 7380-2 International Standard specifies the characteristics of hexagon socket button head screws with collar with threads from M3 up to and including M16, with product grade A and with reduced loadabilit