Big bag sewing machine

The lock stitch is formed when the needle penetrates the fabric, carrying the upper thread down into the fabric. The bobbin, located beneath the needle plate, feeds the lower thread and forms a lock with the upper thread, resulting in a firm stitch that is visually appealing on both the front and back of the fabric.

The primary advantage of using heavy-duty denim thread is its exceptional strength. Jeans and other denim items are subjected to significant stress, particularly at points of strain like seams and pockets. Using a strong thread reduces the likelihood of ripped seams and increases the lifespan of the garment. In addition, denser threads create a professional look by providing a clean finish that can stand up even under constant use.

- Practice Before tackling your leather project, practice stitching on scrap pieces of leather. This will help you get comfortable with the machine and the material.

Choosing the Right Sewing Machine for Boat Upholstery

Beyond fashion, the double needle lockstitch machine is also extensively used in upholstery, automotive seating, and leather goods production. These industries demand stitching that can withstand wear and tear while maintaining an aesthetically pleasing appearance. The versatility of the double needle lockstitch machine enables it to meet these stringent requirements effectively.