What are cut nails and tacks?
Cut nails, as the name suggests, are nails
that are cut from a steel sheet. The sheet is cut into strips of
a width that corresponds to the length of the nail and the strip
is fed into a press that acts like a powerful guillotine. The
tacks are sheared from the strip at an angle, the strip is
turned over and the next nail is cut. The sheared edges are very
sharp and provide a far superior grip to ordinary round wire
nails.
The invention of the cut nail is credited to Jeremiah
Wilkinson of Cumberland, Rhode Island, U.S.A. In 1775 he cut
slivers of iron with shears and made the heads with a hammer to
produce the first tacks. Machines for producing cut nails soon
followed and many of them could cut nails and head them in one
operation. By about 1785, hand-operated nail making machines had
been invented that could cut nails from flat bars or sheets of
iron, and soon these were driven by water or steam.
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