oil seal hub



The design of single needle lockstitch sewing machines has evolved significantly since their introduction in the 19th century. Early models were manually operated, requiring substantial physical effort from the operator. However, with advancements in technology, modern machines are equipped with electric motors, making the sewing process faster and more efficient. Additionally, many contemporary models offer features such as automatic thread cutting, adjustable stitch length, and programmable settings, which enhance usability and expedite production processes.
single needle lockstitch sewing machine


overlock and coverstitch machine. They are essential for creating clean and professional finishes on a wide range of garments, from basic T-shirts and leggings to more complex garments like dresses and coats. These machines also allow for faster and more efficient sewing, as they can trim and finish edges in a single pass, eliminating the need for additional steps in the sewing process.
3. Reduced Hand Fatigue Working with heavy materials can be taxing on the hands, especially when using short needles that require more force to penetrate the fabric. Long upholstery needles allow for a more ergonomic approach, minimizing strain and fatigue, enabling crafters to work longer without discomfort.
long upholstery needle
