Zdroj: www.cni.cz
MDT 621. 882. 2 ČESKOSLOVENSKÁ STÁTNÍ NORMA Schválena: 12. 1. 1966a
ŠROUBY S PŮLKULOVOU HLAVOU a s nosem, do kovu
ČSN 021315
JK 311 11
d |
Závit4) |
M 5 |
М6 |
M 8 |
M 10 |
M 12 |
M 16 |
b3) |
16 |
18 |
22 |
26 |
30 |
38 |
|
D |
10 |
12 |
16 |
19 |
24 |
30 |
|
g |
2 |
2, 5 |
3 |
3, 2 |
3, 8 |
4, 2 |
|
i min. |
1, 8 |
2 |
2, 3 |
2, 7 |
3, 2 |
3, 5 |
|
k |
3, 5 |
4, 5 |
5, 5 |
7 |
9 |
11 |
|
n |
3, 2 |
3, 6 |
4, 2 |
4, 8 |
5, 8 |
6, 2 |
|
R |
0, 3 |
0, 3 |
0, 5 |
0, 5 |
1, 0 |
1, 2 |
|
R |
5, 7 |
6, 5 |
8, 9 |
10, 5 |
13, 3 |
15, 8 |
|
Délka 1 |
Přibližná hmota 1000 šroubů |
v kg5) |
|||||
16 |
3, 48 |
5, 55 |
|||||
20 |
3, 97 |
6, 25 |
11, 8 |
||||
25 |
4, 59 |
7, 13 |
13, 4 |
23, 2 |
|||
30 |
5, 21 |
8, 01 |
15, 0 |
25, 7 |
|||
35 |
5, 83 |
8, 89 |
16, 6 |
28, 2 |
47, 1 |
84, 2 |
|
40 |
6, 45 |
9, 77 |
18, 2 |
30, 7 |
50, 7 |
90, 8 |
|
45 |
7, 07 |
10, 6 |
19, 8 |
33, 2 |
54, 3 |
97, 4 |
|
50 |
7, 69 |
11, 5 |
21, 4 |
35, 7 |
57, 9 |
104, 0 |
|
55 |
8, 31 |
12, 4 |
23, 0 |
38, 2 |
61, 5 |
111 |
|
60 |
8, 93 |
13, 3 |
24, 6 |
40, 7 |
65, 1 |
118 |
(Pokrač. )
Nahrazuje ČSN 02 1315 ze 7. 2. 1953
Účinnost od: 1. 1. 1967
00231
Болты с полукруглой головкой и усом для металла
Round-headed bolts with feather for metal
Rozměry v mm
Zdroj: www.cni.cz