Spiral threads have been cut in wood for centuries. I discussed
making thread by hand earlier. During the nineteenth century the
tools had been perfected but still retained their original
design. There are two components to threading; there is the
screw and the nut. The screw has external threads and is
referred to as the male element and the nut has internal threads
and is referred to as the female. While these can be
meticulously cut by hand, it is much easier to accomplish this
by using some simple tools. There are two tools used to make the
threads by hand and they are the tap and the die or die box or
screw box. Wooden threads can also be cut on specialized lathes
from a design first proposed by Leonardo da Vinci. This
discussion will be about using the two hand tools to make the
threaded screw and nut. There is nothing quite like creating
wooden threads. The process is a unique experience and the
results can be rewarding. You are capable of making your own
wooden screw clamps, veneer presses, vices and