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Home > SAFETY > Standard wheel Markings |
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A : Regular
aluminum
Oxid
WA : White
aluminum
Oxide
C : Black
Slicone
Carbide
GC : Green
Slicone
Carbide
SA : Mono
Crystaline
aluminum
Oxide
RA : Pink
aluminum
Oxide |
coarse |
soft |
NO. |
Abrasive
Ratio(%) |
V : Vttrified
B : Resinoid
R : Rubber
EP : Epoxy
O : Magnesia
(Oxychoride)
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Standard
shapes
&
Faces |
DxTxH
D : Diameter
T : Thickness
H : Hole Size |
# 10, # 12,
# 14, # 16,
# 20, # 24 |
E, F, G
H, I, J, K |
14 |
34% |
| 13 |
36% |
| 12 |
38% |
| Medium |
Medium |
11 |
40% |
# 30, # 36
# 46, # 54,
# 60 |
L, M, N, O |
10 |
42% |
| 9 |
44% |
| 8 |
46% |
Fine
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Hard |
7 |
48% |
# 80, # 100,
# 120, # 150,
# 180, # 220 |
P, Q, R, S |
6 |
50% |
| 5 |
52% |
| 4 |
54% |
| VeryFine |
Ver Hard |
3 |
56% |
# 240, # 280,
# 320, # 400,
# 500, # 600,
# 800, # 1000,
# 1200 |
T, U, V
W, X, Y, Z |
2 |
58% |
| 1 |
60% |
| 0 |
62% |
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