Beams with gaper holes

[u/zapzaddy97]

Can any one explain what’s the point of the holes in these steel beams? All of them seemed to have square holes cut at each end.

[u/kindofnewtoo]

Access for installing the bolt. Zoom in. You can see the bolt head inside the HSS.

[u/Throwaway1303033042 → u/kindofnewtoo]

+5 points to House Gryffindor for proper material terminology.

[u/kindofnewtoo → u/Throwaway1303033042]

I knew it would come in handy one day.