|
|
|
Периоды стойкости, мин |
|
Тип венковки |
Наружный диаметр зенковки D, мм |
средний |
установленный |
|
1 |
5,0 |
20 |
8 |
|
8,0 |
|
|
5,0 |
20 |
8 |
|
2 |
6,3; 8,0; 10,0 |
30 |
12 |
|
|
12,5; 16,0 |
60 |
24 |
|
|
5,0; 6,3 |
20 |
8 |
|
3 |
7,1; 8,0; 10,0 |
30 |
12 |
|
|
12,5; 14,0; 16,0;
20,0; 25,0 |
60 |
24 |
|
|
6,3 |
20 |
8 |
|
4 |
8,0 |
30 |
12 |
|
|
8,0 |
20 |
8 |
|
|
10,0 |
25 |
10 |
|
|
12,5 |
30 |
12 |
|
5, 8 и 9 |
16,0 |
30 |
12 |
|
20,0 |
50 |
20 |
|
|
25,0 |
70 |
28 |
|