High five for your Hardware store. A (cheap) paradise for DIY parts! Bolts and nuts inspire me crazy.
My favorite jewelry are necklaces and tiny rings. Last week I made some necklaces from old beads and bolts and nuts put on a leather cord.
What you need:
How to make:
A bit of a no-brainer I guess:
Pull the leather cord through the beads and bolts (create what you like)
The necklaces are long enough so I didn’t use any stoppers but simply put a knot in the cord.