English–5
3 609 929 977 • (04.10) T
SYMBOLS
Important notice:
Some of the following symbols could have meaning for the use of your tool. Please take note
of the symbols and their meaning. The correct interpretation of the symbols will help you to use the tool in a
better and safer manner.
Symbol
Name
Meaning
W
Hp
Watt
Horsepower
Power
Nm
ft-lbs
Newton-meter
Foot-pounds
Unit of energy, torque
kg
lbs
Kilograms
Pounds
Mass, weight
mm
in
Millimeter
Inches
Length
min/s
Minutes/seconds
Time
bar/psi
Bar/pounds per square inch
Air pressure
l/s
cfm
Liter per second
Cubic feet/minute
Air consumption
°C/°F
Degrees Celsius/Degrees
Fahrenheit
Temperature
dB
Decibel
Unit of relative loudness
Ø
Diameter
Size of drill bits, grinding wheels, etc.
min
-1
/n
0
Revolutions per minute/no-load
speed
Rotational speed at no load
.../min
Revolutions or reciprocations per
minute
Revolutions, strokes, surface speed, orbits, etc.
per minute
0
Off position
Zero speed, zero torque
Left rotation/right rotation
Direction of drive rotation
/
■
/
UNF/
UNC
Hex socket drive/square drive/
Unified National Fine/
Unified National Coarse
Type of tool holder
Arrow
Action in the direction of arrow
Warning symbol
Alerts user to warning messages.
Symbol for directions
Gives instructions for correct handling – e.g., read
operating instructions, wear safety glasses, and
pay attention to no-load speed of tool.
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