In bolted connections, minimum edge distances from the centre of any bolt to the edge of a plate or the flange of a rolled section should be used as specified below, taken from the Australian Standard 4100 ‘Steel structures’.
Rolled edge of a rolled section – 1.75df
Sheared or hand flamecut edge – 1.50df
Rolled plate machine flamecut, sawn or planed edge – 1.50df
Note: Edge distance may also be affected by clause 188.8.131.52, AS4100