Zdroj: www.cni.cz
DT 621. 882. 211 ČESKOSLOVENSKÁ STÁTNÍ NORMA Schválena: 30. 9. 1964
PŘESNÉ ŠROUBY S MALOU ŠESTIHRAMNOU HLAVOU
*ČSN 02 1201
Болты чистые с уменьшенной шестигранной головкой
Bright bolts with small hexagon head
Rozměry v mm
d |
Závit5) |
М6 |
M7*) |
M8 |
M10 |
M12 |
M14 |
M16 |
M 8x1 |
M10x1, 25 |
M12x1, 25 |
M14x1, 5 |
M16x1, 5 |
||||
- |
- |
M 12x1, 5+) |
- |
|||||
b |
11 |
13 |
14 |
16 |
18 |
20 |
22 |
|
e ≈ |
10, 4 |
12, 7 |
13, 8 |
16, 2 |
19, 6 |
21, 9 |
25, 4 |
|
k |
4 |
4, 5 |
5 |
6 |
7 |
8 |
9 |
|
r |
0, 3 |
0, 3 |
0, 5 |
0, 5 |
1 |
1 |
1 |
|
i s |
9 |
11 |
12 |
14 |
17 |
19 |
22 |
|
Délka I |
Přibližná váha 1000 šroubů v kg6) |
|||||||
16 |
5, 01 |
|||||||
18 |
5, 52 |
|||||||
20 |
5, 95 |
8, 77 |
||||||
22 |
6, 38 |
9, 35 |
12, 0 |
|||||
25 |
7, 02 |
10, 2 |
13, 2 |
21, 1 |
||||
28 |
7, 67 |
11, 1 |
14, 3 |
22, 9 |
||||
30 J |
8, 09 |
11, 7 |
15, 1 |
24, 1 |
37, 3 |
|||
32 |
8, 53 |
12, 3 |
15, 9 |
25, 3 |
39, 2 |
53, 0 |
||
35 |
9, 17 |
13, 1 |
17, 0 |
27, 1 |
41, 9 |
56, 5 |
75, 9 |
|
38 |
9, 82 |
14, 0 |
18, 1 |
28, 9 |
44, 6 |
60, 1 |
80, 5 |
|
40 ! |
10, 3 |
14, 6 |
18, 9 |
30, 2 |
46, 4 |
62, 5 |
83, 6 |
|
42 |
10, 7 |
15, 2 |
19, 7 |
31, 4 |
48, 3 |
64, 8 |
86, 7 |
(Pokrač. )
Nahrazuje ČSN 02 1201 z 30. 9. 1957
Účinnost od: 1. 1. 1966
00220
Tab. 1
Zdroj: www.cni.cz