Hebei Hankai hydraulic oring kit


2. Stretch and Recovery The stretch characteristics of coverstitch seams allow the fabric to move freely. This is especially crucial for athletic wear and fitted clothing. The coverstitch's ability to stretch with the fabric means that seams are less likely to pop during wear.
double needle coverstitch

Before buying a heavy-duty sewing machine, ensure that your space can accommodate the larger size. Most heavy-duty machines are set on tables that measure 30 to 40 inches. In addition, the tables may be height adjustable, so if you are tall, you will want to ensure that the tables can raise to a comfortable height for you. And finally, decide how many heavy-duty sewing machines you will need. If you are planning on operating a small sewing business, you may want to ensure you have enough space for 2 machines, tables, or more!