Nails

Nails are a type of ammunition in the Fallout: New Vegas add-on Lonesome Road.

Characteristics
A nail is (as you know) a small metal rod that has a sharp point. This makes for a potentially deadly projectile when propelled at high speeds.

Weapons using this ammunition

 * H&H Tools nail gun

Flechettes
Flechettes were at one point planned but were cut for an unknown reason.

Notable locations

 * Most, if not all, toolboxes contain around 20-30 nails.
 * You can craft 5 of them at a reloading bench at the cost of one scrap metal.
 * Gun Runners.
 * Sink Central Intelligence Unit.
 * Quartermaster Bardon after the add-on, in the thousands.
 * Commissary terminals.
 * Great Khan armorer.