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Ecrou FS, données techniques :
Homologué suivant norme DB AG : BN 205 107 -01 form A / STW 508.51.022 form B
.
Design acc. to :
DIN EN ISO 7042, DIN EN 1664,
DIN EN 1667, DIN 980, DIN 6925 (old type)
Mechanical properties:
DIN EN ISO 2320 (DIN EN 20898-2/
DIN EN ISO 898-6)
Surface coatings:
DIN EN ISO 4042 – galvanic surface
coatings (also Cr 6-free), Delta-Tone,
Zinc-Iron, Zinc-Nickel, Hot Dip galvanized,
Geomet, Delta-Protect, QPQ, Phosphate,
Dacromet, etc.
| M 5 |
5 |
8 |
8,79 |
1,6 |
0,29 |
0,2 |
| M 6 |
6 |
10 |
11,05 |
3,0 |
0,45 |
0,3 |
| M 8 |
8 |
13 |
14,38 |
6,0 |
0,85 |
0,6 |
| M 10 |
10 |
16 |
17,77 |
8,0 |
1,5 |
1,0 |
| M 10 |
10 |
17 |
18,90 |
8,0 |
1,5 |
1,0 |
| M 12 |
12 |
18 |
20,03 |
12,0 |
2,3 |
1,6 |
| M 12 |
12 |
19 |
21,10 |
12,0 |
2,3 |
1,6 |
| M 14 |
14 |
21 |
23,36 |
16,0 |
3,3 |
2,3 |
| M 14 |
14 |
22 |
24,49 |
16,0 |
3,3 |
2,3 |
| M 16 |
16 |
24 |
26,75 |
25,0 |
4,5 |
3,0 |
| M 18 |
18 |
27 |
29,56 |
28,0 |
6,0 |
4,2 |
| M 20 |
20 |
30 |
32,95 |
30,0 |
7,5 |
5,3 |
| M 22 |
22 |
32 |
35,72 |
40,0 |
9,5 |
6,5 |
| M 24 |
24 |
36 |
39,55 |
45,0 |
11,5 |
8,0 |
| M 27 |
27 |
41 |
45,63 |
50,0 |
13,5 |
10,0 |
| M 30 |
30 |
46 |
50,85 |
60,0 |
16,0 |
12,0 |
| M 33 |
33 |
50 |
55,37 |
70,0 |
18,0 |
14,0 |
| M 36 |
36 |
55 |
60,79 |
75,0 |
21,0 |
16,0 |
| M 39 |
39 |
60 |
66,44 |
90,0 |
23,0 |
18,0 |
| M 42 |
42 |
65 |
72,61 |
100,0 |
30,0 |
20,0 |
| M 48 |
48 |
75 |
83,91 |
130,0 |
40,0 |
25,0 |
| M 56 |
56 |
85 |
95,07 |
160,0 |
50,0 |
30,0 |
| M 64 |
64 |
95 |
106,37 |
200,0 |
60,0 |
35,0 |
Prevailing Torques: The adjusted prevailing torques are valid for bolts class 6g zinc plated. After the 5th loosening, the prevailing toque remains constant.
Deviations from these values may occur as a result of different surface coatings.
The stated locking torques signify an ideal-typical connection and don't necessarily apply to an actual screwed connection.
Calculation verification necessary! (VDI 2230-2003)
FS Lock-nuts made of austenitic steels may be employed without the use of a lubricant. They are plated with a specific surface coating that prevents the nuts
from pitting onto the screws. This coating has been approved by the DB AG.
Important note: Fast and without interruption tighten the screw with a screw driver at no more than 20-30 RPM. An impact screw driver is hereby not ideal.
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