DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   T-bolt /tˈiː bˈəʊlt/
   T-Nutenschraube <fem> [techn.]
         "T-bolts"  - T-Nutenschrauben