DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   deburrer /dˈɛbɜːɹə/
   Entgrater <masc>, Spitzsenker <masc> [mach.]
      Synonyms: countersink, countersinker
    see: deburrers, countersinks, countersinkers