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Drill Bit Terminology
Use the illustrations and terminology in Figures
12–13 to aid in understanding the drill bit refer-
ences in this manual.
Shank
Flute
Figure 12. Typical 2-flute, twisted drill bit—side
view.
Relief
Diameter
Figure 13. Typical 2-flute, twisted drill bit—front
view.
Model G0686 (Mfd. Since 01/15)
Point
Angle
Cutting
Edge or Lip
Flute
Chisel
Edge
Web
Wheel Care
When grinding, your safety depends, to a large
degree, on the condition of the wheel. A wheel in
poor condition presents the possibility of breaking
apart during rotation and injuring the operator and
others in the area.
Here are some tips to help you avoid breaking
the wheel:
•
Always transport, store and handle wheels
with care. Wheels may be damaged if they
are dropped or if heavy objects are stacked
on them.
•
Only use wheels that are rated for the RPM
of the grinder.
Mount the wheel properly (see Changing
•
Grinding Wheel on Page 21).
•
Do not push the bit into the grinding wheel
with such force that it causes the grinder to
bog down. And do not apply pressure to stop
the wheel after turning the grinder OFF.
•
Dress the wheel when necessary. Do not
allow it to become glazed.
•
Do not store wheels in damp or wet locations.
•
Do not overtighten the nut when mounting the
wheel.
•
Do not leave the wheel mounted when
machine is not in use.
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