Upper and Lower Thread Guide Bolts for High-Speed Nylon Zipper Forming Machine

The Upper and Lower Thread Guide Bolts are precision spare parts imported for high-speed nylon zipper forming machines. These bolts securely hold the upper and lower thread guides in place, ensuring proper alignment and smooth thread feeding during the zipper forming process. Made from high-strength steel, they provide excellent durability, stability, and long service life under continuous high-speed operation, contributing to consistent product quality and reliable machine performance in industrial zipper production.