Lock washer, DIN463-A4, 10,5

DIN 463 A 4 washers with 2 lobes dimension: 10.5



The use of the following safety elements is ineffective:

• Spring washers DIN 127 and DIN 128, as well as spring washers DIN 137 .

These standards have no securing effect on screw connections

of higher strength (from 5.6) because they are simply flattened

and cannot compensate for any settlement.

• Serrated lock washers DIN 6798 (Palnuts)



All of these products do not meet the security requirements. The norms became. taking into account the state of the art, withdrawn.