DIN EN 4122:2018 pdf free.Aerospace series -Shank nuts, self-locking, in heat resisting steel FE-PA2601 5: shall show complete coverage, without thickness requirement.Coating may extend to counterbore and chamfers at manufacturer's option, without thickness requirement.NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on Figure...
