DIN 127B is our main spring lock washers just like the DIN 7980 , and it is made with the special 70# steel , if you have any inquriy about this , we can supply you these products , and it is mainly used in building and engineer .

And our main plain washers is DIN 125 , DIN 9021 and DIN 440 and others , if you give us your drawing , we can supply you the non-standard washers

Any inquiry please feel free to connect with me ,thanks

Best Regards