What are embroidery thread sizes?
Most machine embroidery and sewing threads are numbered from size 100 to 12, with a larger number indicating a smaller thread size. Sewing threads used for garment construction are usually size 50, while embroidery designs are almost always digitized for size 40 thread.
Do you need special thread for embroidery?
Embroidery threads are usually available in several different thread weights, with 40 being the most common followed by the finer and lighter 60wt. … #40 wt thread should be your go to thread for all around everyday embroidery. When you have designs with fine small detail or small lettering you want to use 60wt thread.