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Kunio Ajimi
president
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Drilling Tools and Center Drills
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Drilling
Tools and Their Related Center Drills, Core Drills and Dust
Covers
A core drill is a specialized bit that
can be mounted on an electric drill for making holes in structures
when installing air conditioners, down lights, louver ducts
and circular ventilating fans (a device which has recently become
popular for saving installation labor). In addition, core drills
are widely used for making the holes required for wiring and
piping in structures.
Using a core drill to make a hole leaves cylindrical solid chips
inside, which need to be removed prior to subsequent work processes.
Removing solid chips is a time consuming, troublesome job.
The center drills of HOUSE B.M.'s
chip removal system address this problem
by facilitating easy chip removal.
To accommodate different kinds of working materials, we have
developed a range of innovative bits including the ventilation
core drill, which employs exchangeable core drills of frequently-used
large sizes to achieve lower cost as well as greater convenience
compared with a complete set of tools of different sizes. In
addition, we have developed and commercialized domestic- and
foreign-patented functions and convenient tools suited to various
working environments in order to meet market needs.
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