Coats Ultra Dee is a sewing thread made from a high-tenacity, resilient, continuous filament polyester and treated with a special finish to prevent unraveling. Specifically designed for demanding applications, Ultra Dee delivers superior sewing performance and seam quality and is ideal for use on footwear, upholstery, outdoor gear, sports equipment, and marine applications.
An innovative bonding technology safeguards against ply untwisting during the most demanding of sewing applications – no opening of plies resulting in broken or skipped stitches. Ultra Dee offers 20% - 33% higher retained strength compared with standard lubricated sewing thread. The soft, flexible thread provides more balanced stitches. Dependable quality control of size and finish assures trouble-free sewing of cotton or synthetic fabrics. Heat set to minimize shrinkage or stretch with a bonded finish that adds strength and reduces fraying at the needle eye. 1,035 yds. per spool.