CLOUS.EU : a large selection of nails, tacks and round shaft nails made in France, with competitive prices without hidden cost. An irreproachable quality.
Bichromate, brass-coated or copper-coated false screw head tacks
A false screw but a real nail with a decorative head!
A bit of history:
The countersunk shaft supports a wide head with a slot imitating that of screws. They were used to reinforce the bonding of elastomer soles in the 1950s.