TM 9-243
TYPES AND USES - Continued
BLACKSMITH’S OR SLEDGE
HAMMERS (Cont)
The straight peen is similar to the cross peen except that
its peening edge is turned ninety degrees. This keeps
the handle parallel to the struck surface.
JEWELER’S HAMMER
The jeweler’s hammer has a lightweight head weighing
between 1-3/4 and 2 ounces. It is used to drive pins and
shafts from precision instruments.
MASON’S HAMMER
The mason’s hammer has a flat striking face on one end
of the head and a tapered chisel on the other end. It is
used for setting and cutting bricks and flat stones.
NAPPING HAMMER
The napping hammer has a high carbon steel head with
two tapered faces and weighs about 3 pounds. It is used
for chipping stone surfaces or for forming stones during
road construction or similar stone work.
RIVETING HAMMER
The riveting hammer has a round face on one end of the
head. It is used for peening rivet heads. The other end
has a tapered chisel which is used for upsetting rivets.
SAWMAKER’S HAMMER
The sawmaker’s hammer has a tapered blunt face on
one end of the head and a tapered chisel face on the
other end. It is used for setting the teeth on saws when a
setting tool is unavailable.
21-4
