Hannah Slater's improved sewing cotton thread contributed to the growing domestic textile industry in the United States. It likely enhanced the quality and efficiency of textile manufacturing, reducing reliance on imported goods.

Slater's thread could have improved the quality and price of clothing and other items for consumers across the country. The specifics of this are unknown, but a better domestic source of thread likely improved life for many across the United States.

The textile industry fueled economic growth in New England, and Hannah Slater's contribution likely played a small but important role in this development. Her invention helped strengthen the region's position as a leader in textile manufacturing.