TM 9-243
TYPES AND USES
WOODWORKER'S CHISELS
There are two types of woodworkers chisels. The
socket type has a blade and socket handle forged of
high carbon steel in a single casting. The wooden
handle is inserted into the socket. This type of chisel is
used to cut and pare off wood. Generally socket-type
chisels are used for heavier cutting when a hammer or
mallet may be required for additional driving force.
The tang-type chisel is forged in a single casting. The
handle is drilled and inserted over the tang and rein-
forced with a metal band. The tang-type chisels are also
used to cut and pare wood. However, the driving force
required is hand pressure only.
MACHINIST’S CHISELS
Machinist’s chisels are designed to cut and shape cold
metal and are usually struck with a hammer. The flat or
cold chisel is composed of hardened steel and has a
tapered cutting edge on one end and a flat base on the
other end.
The diamond point chisel has a solid point on one end
and a flat base on the other end. It is used for drawing
and cutting holes in flat stocks and to cut V-grooves.
The cape chisel has a small solid point on one end and a
flat base on the other end. It is used for cutting keyways
or slots in metal, and square corners.
The roundnose chisel has a ground edge on one end
and a flat base on the other end and an octagon-shaped
stock. It is used to align drilled holes, cut channels, cut
oil grooves and similar work.
TRACK CHISEL
The track chisel has a beveled point on one edge and a
flat face on the other end. The cutting edge is 1-3/8
inches wide; the overall length is 10-1/2 inches and it
weighs 5-1/2 pounds. The track chisel is used with a
22-inch sledge hammer to remove track bolts, boiler
rivet heads and cut rail when a saw or cutting torch is not
available.
RIVET BUSTER CHISEL
The rivet buster chisel has a single ground flat cutting
edge on one end and a flat face on the other end. The
cutting edge is about 3/4 inch wide and the overall length
is about 9 inches. It is used for cutting off chassis rivets
and in other difficult places which cannot be reached by
other chisels.
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