The Collaborative International Dictionary
Nailery
Nailery \Nail"er*y\, n.; pl. Naileries. A factory where nails are made.
Douglas Harper's Etymology Dictionary
nailery
"workshop where nails are made," 1798, from nail (n.) + -ery.
Wiktionary
nailery
n. (context archaic English) A manufactory of nails.