Hi
Look around here
drydockmodelsandparts.com
Look around here
Tiny nails ( brass)
The brass nails has a flat end not spiky ,also the shape of the head is round and flat Diameter 0.3 mm ,Head 0.5mm, lenght 4mm Diameter 0.5mm , Head 0.7mm , lenght 4mm Diameter 0.6 mm , Head 1mm , lenght 6mm
drydockmodelsandparts.com
I suggest make your own. Buy copper wire or medium hard brass. Make sure it’s a hard copper in other words it’s a composite, if go down that route. Make a jig if you want a nail head or just use it natural. Small pre drill is advisable then push or hammer home. You not need depth as in original. It was not uncommon for real life copper bolts to bend or break or get wedged 3/4 way through. 1 inch copper bolt is an awesome sight that is 36 inches long. Try banging that through English Oak. Elm it closes with any dampness. Those poor men who augured then drove these bolts ….