Contact lock washer
NF E25-511
Material : spring steel
Finishing : Galvanized Cr3
Size |
D1 |
D2 |
H |
s |
M3 |
3.1 |
8 |
1 |
0.6 |
M4 |
4.1 |
10 |
1.4 |
0.9 |
M5 |
5.1 |
12 |
1.8 |
1.1 |
M6 |
6.1 |
14 |
2.1 |
1.3 |
|
|
|
|
|
M8 |
8.2 |
18 |
2.35 |
1.4 |
M10 |
10.2 |
22 |
2.75 |
1.6 |
M12 |
12.4 |
27 |
3.1 |
1.8 |
M16 |
16.4 |
32 |
4.1 |
2.8 |
M20 |
20.5 |
40 |
4.9 |
3.2 |
Special features contact-lock washers type medium:
- suitable for use simultaneously as lock washer
and plain washer
with oversize or elongated holes
-
no damage to surface,
exceptional locking action
and high elasticity to compensate play or setting
- excellent contact in electrical
appliances avoiding overheating
- applicable for bolts with a
property class ≤ 10.9
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