Hinges seeking a Bracket? (TT475)

I'm sure I'm not the only blipper with a box of 'useful' salvaged self assembly furniture bits?
Feel free to leave me in blissful ignorance if this is not the case. 

Shelf supports and hinges from a long since repurposed glass doored cabinet will clearly be useful at some point, won't they?  If the only thing they achieved was keeping me from modifying something while I sorted them from their previous empty ice cream (dairy free)  container into this handy 'sort master organiser box' on offer at Screwfix, well that's something :-)

I have no idea why I bought a packet of 40mm M5 countersunk bolts - but, should you need any, you'll know who to ask.