Important: Some of the following symbols may be used on your tool. Please study them and
learn their meaning. Proper interpretation of these symbols will allow you to operate the tool
better and safer.
Symbol
Designation/Explanation
V
Volts (voltage)
A
Amperes (current)
Hz
Hertz (frequency, cycles per second)
⌀
Diameter (size of drill bits, grinding wheels, etc.)
n
Rated speed (Maximum attainable speed)
Revolutions or reciprocation per minute (revolutions, strokes, surface speed,
.../min
orbits etc. per minute)
0
Off position (zero speed, zero torque...)
1, 2, 3, ...
Selector settings (speed, torque or position settings. Higher number means
greater speed)
I, II, III,
Arrow (action in the direction of arrow)
Alternating current (Type or a characteristic of current)
Designates Double Insulated Construction tools
This symbol designates that this tool is listed by the Canadian Standards
Association, to United States and Canadian Standards.
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page heading
Symbols
4/5/23 7:04 AM