Tension Spring Screw, Juki - 040-05141184

Tension Spring Screw, Juki - 040-05141184

The Tension Spring Screw  040‑05141184 is a precision machined adjustment and mounting fastener used in sewing machine bobbin case tension systems. This small yet essential component secures and adjusts the bobbin case tension spring, allowing fine tuning of thread tension for smooth stitch formation and reliable machine performance. It’s a replacement or service part for machines originally equipped with this part number, helping maintain proper lower thread behavior and efficient stitching.

Compatible with Juki Sewing Machine Models: 563

Alternate Part Numbers: 04005141184