As with wrenches. a 6-point provides superior-holding ability. While a 12-point socket
needs to be moved only half as for to reposition it on the fastener
Sockets are designated for either hand or impact use. Impact sockets are made of
thicker material for more durability. Compare the size and wall thickness of a 19-
mmhand socket (A, Figure 9) and the 19-mm impact socket (B). Use impact sockets
when using an impact driver or air tools. Use hand sockets with hand-driven
attachments
WARNING
Do not use hand
sockets with air or
impact tools because
they may shatter and
cause injury. Always
wear eye protection
when using impact or
air tools
Various handles are available for sockets. Use the
speed handle for fast operation. Flexible ratchet heads in varying length allow the
socket to be turned with varying force and at odd angles. Extension bars allow the
socket setup to reach difficult areas. The ratchet is the most versatile. It allows the user
to install or remove the nut without removing the socket
Sockets combined with any number of drivers make them undoubtedly the fastest.
Safest and most convenient tool for fastener removal and installation
Impact Drivers
An impact driver provides extra force for removing fasteners by converting the
impact of a hammer into a turning motion. This makes it possible to remove stubborn
fasteners without damaging them. Impact drivers and interchangeable bits (Figure 10)
are available from most tool suppliers. When using a socket with an impact driver.
Make sure the socket is designed for impact use. Refer to Socket Wrenches. Ratchets
and handles in this section.
WARNING
Do not use hand sockets
with air or impact tools
because they may shatter
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