This European Standard specifies the dimensions and profile of the aperture for Type A and Type B plug-in plastic closures used in round and non-round metal containers of nominal wall thickness equal to or less than 0,49 mm.
EN 13029:2009 history
2009EN 13029:2009 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
2001EN 13029:2001 Packaging - Light-Gauge Metal Packaging - Apertures for Plug-in Plastic Closures