The socket wrench is one of the most versatile
wrenches in the toolbox. Basically, it consists of a
handle and a socket-type wrench that can be attached to
The "Spintite" wrench, shown in figure 1-32, is a
special type of socket wrench. It has a hollow shaft to
accommodate a bolt protruding through a nut, has a
hexagonal head, and is used like a screwdriver. It is
supplied in small sizes only and is useful for assembly
and electrical work. When used for the latter purpose, it
must have an insulated handle.
A complete socket wrench set consists of several
types of handles along with bar extensions, adapters,
and a variety of sockets (fig. 1-32).
A socket (fig. 1-33) has a square opening cut in one
end to fit a square drive lug on a detachable handle. In
the other end of the socket is a 6-point or 12-point
Figure 1-32.Socket set components.
Figure 1-33.12-point sockets.