Stanley Black & Decker MBX138 Automobile Parts User Manual


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PROPER USE & CARE OF TOOL BITS
20 ► MAXFORCE BREAKER User Manual
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denite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.
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