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| Size No. |
RING DIMENSIONS |
GROOVE DIMENSIONS |
| d |
A |
D |
C |
B |
t |
d1 |
d2 |
m |
n Min. |
| Basic |
Tol |
Min. |
Max. |
| UTW -3.2 |
3.2 |
+0.03
- 0.1 |
8.7 |
8 |
2.8 |
4.6 |
0.6 |
4 |
5 |
3.26 |
0.7 |
1.0 |
| 4 |
4 |
10.0 |
9 |
3.6 |
5.3 |
0.7 |
5 |
7 |
4.08 |
0.8 |
1.2 |
| 5 |
5 |
12.8 |
11.6 |
4.4 |
6.8 |
0.7 |
6 |
8 |
5.10 |
0.8 |
1.2 |
| 6 |
6 |
+0.05
- 0.15 |
14.8 |
13.5 |
5.3 |
8.0 |
0.7 |
7 |
9 |
6.10 |
0.8 |
1.2 |
| 7 |
7 |
17.0 |
15.0 |
6.2 |
9.0 |
0.9 |
8 |
11 |
7.10 |
1.0 |
1.5 |
| 8 |
8 |
+0.05
- 0.20 |
19.5 |
17.5 |
7.1 |
10.5 |
1.0 |
9 |
12 |
8.10 |
1.1 |
1.8 |
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