Contact lock washer, NF E25-511, Disc spring lock washer, electrical appliances

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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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  ID Line :  bmpcek
  ID Line :  0818353359
  ID Line :  0819126715
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