Zdroj: www.cni.cz
DT 621. 882. 211 ČESKOSLOVENSKÁ STÁTNÍ NORMA Schválena: 30. 9. 1964
PŘESNÉ ŠROUBY
S MALOU ŠESTIHRANNOU HLAVOU
se závitem к hlavě
*ČSN 02 1207
Болты чистые с уменьшенной шестигранной головкой с резъбой к головке
Bright bolts with small hexagon head and thread to the head
Rozměry v mm
Tab. 1
d |
Závit6) |
М6 |
M7*) |
M8 |
M10 |
M12 |
M14 |
M16 |
M8x1 |
M10x1, 25 |
M12x1, 25 |
M14x1, 5 |
M16x1, 5 |
||||
- |
- |
M12x1, 5 +) |
- |
- |
||||
amах |
2, 5 |
2, 5 |
3 |
4 |
4 |
4, 5 |
4, 5 25, 4 |
|
e ≈ |
10, 4 |
12, 7 |
13, 8 |
16, 2 |
19, 6 |
21, 9 |
||
k |
4 |
4, 5 |
5 |
6 |
7 |
8 |
9 |
|
r |
0, 3 |
0, 3 |
0, 5 |
0, 5 |
1 |
1 |
1 |
|
s |
9 |
11 |
12 |
14 |
17 |
19 |
22 |
|
Délka I |
Přibližná váha 1000 šroubů v kg6) |
|||||||
8 |
3, 47 |
|||||||
10 |
3, 83 |
|||||||
12 |
4, 18 |
6, 45 |
8, 44 |
|||||
14 |
4, 53 |
6, 95 |
9, 06 |
14, 7 |
||||
16 |
4, 88 |
7, 44 |
9, 72 |
15, 7 |
||||
18 |
5, 23 |
7, 95 |
10, 3 |
16, 7 |
26, 3 |
|||
20 |
5, 59 |
8, 44 |
11, 0 |
17, 7 |
27, 7 |
38, 8 |
55, 5 |
|
22 |
5, 94 |
8, 94 |
11, 6 |
18, 7 |
29, 2 |
40, 8 |
58, 2 |
|
25 |
6, 46 |
9, 69 |
12, 6 |
20, 2 |
31, 4 |
43, 8 |
62, 2 |
|
28 |
7, 00 |
10, 4 |
13, 6 |
21, 7 |
33, 6 |
46, 8 |
66, 2 |
|
30 |
7, 34 |
10, 9 |
14, 2 |
22, 7 |
35, 0 |
48, 8 |
68, 9 |
|
32 |
7, 70 |
11, 4 |
14, 8 |
23, 7 |
36, 5 |
50, 8 |
71, 6 |
|
35 |
8, 23 |
12, 2 |
15, 8 |
25, 2 |
38, 6 |
53, 8 |
75, 5 |
|
38 |
12, 9 |
16, 8 |
26, 7 |
40, 8 |
56, 8 |
79, 5 |
||
40 |
13, 4 |
17, 4 |
27, 7 |
42, 3 |
58, 8 |
82, 2 |
||
42 |
28, 7 |
43, 7 |
60, 8 |
84, 9 |
||||
45 |
30, 3 |
45, 9 |
63, 8 |
88, 9 |
||||
48 |
*) Jen pro automobilový a letadlový průmysl. |
48, 1 |
66, 8 |
92, 9 |
||||
50 |
49, 5 |
68, 8 |
95, 5 |
|||||
52 |
+) Nesmí se použít pro nové konstrukce. |
70, 8 |
98, 2 |
Nahrazuje ČSN 02 1207 z 30. 9. 1957
Účinnost od: 1. 1. 1966
00223
Zdroj: www.cni.cz