Catalogue 2020 - Canada

Kronenflex® cut-off wheels and grinding discs
Applications guide
What the type designation reveals about the design
of cut-off wheels and grinding discs
The type designation given on a cut-off wheel or grinding disc divulges more than just the name of the product. It provides
important information on the performance class and on the composition of the tool. The first letter indicates which abrasive grit is
used. If this letter is followed by a three digit number, the first digit signifies the performance class (the performance class is also
included below the name of the product). The last two digits point to the size of the grit that was used. The letters at the end of
the type designation mark the hardness grade of a cut-off wheel or grinding disc.
Cut-off wheels
Grit type
Performance class
Grit size according to
FEPA standard
Hardness
Performance class
A
Aluminium oxide
3
16
M
soft
C
Silicon carbide
6
24
N
Z
Zirconia alumina
9
30
R
36
S
46
T
hard
60
80
Explained by example of the Z 960 TX cut-off wheel
Grit type
Performance class
Grit size according to
FEPA standard
Hardness
Performance class
Z
Zirconia alumina
9
60
TX
hard
The safe use of Klingspor
abrasives
Klingspor Kronenflex® cut-off wheels and grinding discs are
manufactured in accordance with the oSa and EN12413 standards,
this ensures the highest level of user safety.
Wear safety goggles or
glasses to protect the
eyes
Wear dust mask
Use ear muffs
Wear safety gloves to
protect hands
Observe safety instructions
Do not use for wet grinding
Not permitted for face
grinding
Do not use if damaged
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