Seam quality and testing
The thread supplied from the bobbin in a lockstitch system.
Also known as
Lower thread; shuttle thread
Not to be confused with
Do not call a chainstitch looper thread a bobbin thread.
Translations
| DE | Unterfaden |
| FR | Fil de canette |
| ES | Hilo de bobina |
| IT | Filo della bobina |
| CN | 梭芯线 |
| VN | Chỉ suốt |