| Subject | English | Spanish |
| transp., construct. | bolt threaded at both ends | varilla roscada en los dos extremos |
| comp., MS | both-threaded | proceso dual (Pertaining to a threading model in which the object has the characteristics of an apartment-threaded object as well as a free-threaded object) |
| transp., construct. | rod threaded at both ends | varilla roscada en los dos extremos |