screwdriver will result in mutilation of the
OFFSET SCREWDRIVERS.-- An offset
screwdriver may be used where there is not
s u f f i c i e n t vertical space for a standard
screwdriver. See figure 2-6. Offset screwdrivers
are constructed with one blade forged in-line with
and another blade forged at right angles to the
shank handle. Both blades are bent 90 degrees to
the shank handle. By alternating ends, you can
seat or loosen most screws even when the swinging
space is very restricted. Offset screwdrivers are
made for both standard and recessed head screws.
Many different types of pliers are in use today.
Some of these are the vise grip, the channel-lock,
the duckbill, the needle nose, the diagonal, and
the safety wire pliers.
VISE GRIP PLIERS.-- Vice grip pliers can be
used a number of ways. See figure 2-7. These
pliers can be adjusted to various jaw openings by
turning the knurled adjusting screw at the end of
Figure 2-6.-Typical screwdrivers.
the handle. Vise grips can be clamped and locked
in position by pulling the lever toward the handle.
They may be used as a clamp, portable vise, and
screwdriver will sometimes become damaged even
for many other uses where a locking, plier-type
when being used properly. Do not used damaged
jaw may be employed.
Vise grip pliers should be used with care
When using any type of screwdriver, do
since the teeth in the jaws tend to damage
not hold the work in your hand. If the
the object on which they are clamped. They
point slips, it can cause a bad cut. When
should not be used on nuts, bolts, tube
removing a screw from an assembly that
fittings, or other objects that must be
is not stationary, hold the work on a solid
surface, in a vise, or with some other
holding tool. Never get any part of your
CHANNEL-LOCK PLIERS.-- Channel-lock
body in front of the screwdriver point. This
pliers can be easily identified by the extra-long
precaution is a good safety rule for any
CROSSPOINT SCREWDRIVERS.-- There
are two types of crosspoint screwdrivers in
common use: the Reed and Prince and the
Phillips. The Reed and Prince screwdrivers and
Phillips screwdrivers are not interchangeable.
Always use a Reed and Prince screwdriver with
Reed and Prince screws, and a Phillips screwdriver
Figure 2-7.-Vice grip pliers.
with Phillips screws. The use of the wrong