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MB656 User Manual ◄ 23
PROPER USE & CARE OF TOOL BITS
Stanley Breakers are available with several different types of tool bits. The most common are the moil, chisel and
the blunt. Each of these working steels has its own purpose as described below:
To obtain the maximum production from the breaker, it is important to select the proper working steel. Consult your
Stanley representative for assistance in selecting the proper working steel for your application.
MOIL
This is by far the most popular
working steel. It is a general
purpose point used to break
anything from concrete to hard
rock. Its pencil-type point is
used to fracture the material.
The tool is best where penetra-
tion speed is important.
CHISEL
This style of point is used gen-
erally used for trench work,
where a controlled break is re-
quired, and for rock breaking
on materials with a denite line
of cleavage. A chisel bit also
works well in softer concretes
where a moil might penetrate
quickly, but not cause a frac-
ture line.
BLUNT
This at type of point is used to
break softer material such as
coal or shale. A moil or chisel
will tend to punch holes in this
type of material, where a at
blunt will shatter the material.
It is also useful when break-
ing irregularly shaped material
where its broad tip makes it
easier to position.