Sewing machine bobbins

Flat bobbins for sewing machine - plastic.

5 bobbins for Singer sewing machine.Class 15. Also compatible with machines using a removable bobbin case (CB*)

Standard dimensions:Height 11.80 mm - ø 20.30 mm.

Today's sewing machines operate on a lockstitch pattern. This means you need an upper thread and a lower thread. The upper thread is supplied by the spool of thread that you place on your spool pin. The bobbin provides the lower thread. Formerly called a spindle,the sewing machine bobbintherefore plays as important a role as the upper thread.

*can be recognized by its small, eccentric arm or spur