Dreaming of iron nails is a negative sign as per dream meaning and interpretation. The dream means you will face major disruption due to small things or by ignoring less important things. It also means accidents or health problems due to small things.
Dream of iron nails and you see blood in the dream means stepping on something sharp and getting hurt. It also means accidents while doing not a routine work.
Dreaming of iron nails on road or in a known place means increase in enemy activity.
Dreams of iron nails on wall or you hammering them means change of residence or you receiving gifts.
Dream of iron nails thrown at you means sudden reversal of fortune or attack on you using unconventional methods by youngsters.
Dreaming of iron nails and there is color all around means gains through investment in small firms. It also means a small investment will give you good return.