|
Precision Grade | |||||
|
GB |
G |
E |
D |
C |
B |
|
ISO |
Normal Class |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
|
ANSI |
ABEC-1 |
ABEC-3 |
ABEC-5 |
ABEC-7 |
ABEC-9 |
|
DIN |
P0 |
P6 |
P5 |
P4 |
P2 |
|
JIS |
0 |
6 |
5 |
4 |
2 |