Bobbin Fill & Empty Cores

Simthread Style A / Class 15 empty plastic bobbin core  No thread wound on it, just the empty bobbin core, to wind your pre-wound bobbins by yourse...

60WT Polyester Bobbin Fill Thread (75D/2) - White & Black 6-Pack (1000m) This lightweight 60WT (75D/2) polyester thread is ideal as bobbin th...

Ultra-Fine 60WT Bobbin Thread: Made of 75D/2 polyester filament, ideal as bottom thread for smooth and consistent sewing and embroidery. Extra-...

Ultra-Light 60WT Bobbin Thread: This fine (75D/2) polyester thread is the perfect choice for your bobbin, ensuring smooth and consistent performa...