Some machines come with several spool pins for various types of thread spools and for decorative or twin-needle sewing. Spool pins can be horizontal or vertical, but horizontal ones provide ...

The sewing machine can’t do a backstitch with ... with the other thread only through the holes made by the needle. The upper thread comes from a spool on the top of the machine while the lower ...

We recommend using needles with a 120/20 eye to ensure ... The strongest type of thread for sewing machine is nylon thread. It is a synthetic thread that is known for its strength and durability.

RC car servos were installed in the sewing machine and now are solely responsible for controlling, in real time, the horizontal movement of the needle and the amount of stroke of the feed dogs ...