Honing + Superfinishing sticks + Whetstones
     Key to the new symbols

30 A 1200 / 1 120 0 V 506 S
Grit Type Size / Combination Hardness Structure Bond Type Impregnation
1 2 / 3 4 5 6 7 8
 
1 Grit Type
Vitrified Bond  
Normal alumina brown 11 A
Semi-fused alumina 55A
Fused alumina white 30A
Fused alumina pink 31A
Ruby corundum 32A
Single crystal 40A
Single crystal / mixture 41A
Silicon carbide dark 75C
Silicon carbide green 70C
70C + 75C 76C
Boron carbide BC
2 Grit Size
(according to FEPA standard)
12 - 24 2127 - 767 µ
30 - 60 767 - 250 µ
70 - 120 250 - 109 µ
150 - 240 109 - 44 µ
280 - 1200 41 - 3 µ
 
3 Combination
Mixture of various grit sizes
 
 
4 Hardness
10, 20, 25, 30 very hard
40, 50, 60, 70 hard
80, 100, 120 medium
140, 160, 180 soft
200, 220, 240 very soft
 

 

 

5 Porosity
without normal
0 medium
1 high
2 medium + fine
3 high + fine
 
6 Bond
V (Vitrified) ceramic
B (Bakelite) resin
X (Graphite) in resin bond
 
7 Bond Type
internal
designation
 
8 Tränkung
S Sulphur
P Paraffin wax
T Plastic
Y S + T

When ordering, please state the profile and dimensions (width x height x length) as well as the Elsass specification.

Profiles


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