Ultra Lock

Ultra Lock Mattress

100% continuous filament polyester ideal for mattresses

Coats Ultra Lock is a highly engineered hybrid sewing thread designed to deliver excellent machine performance, high seam strength, excellent seam elongation and durability.

Our Ultra Lock thread is a 100% polyester continuous filament base and is generally used on the tape edging operation of mattress production. In comparison to ordinary staple spun polyester sewing threads, our Ultra Lock product provides a range of benefits, and it may also be used to replace conventional continuous filament threads.

Discover how Ultra Lock can transform your products. Download our product information sheet or contact one of our experts.


Since conditions and applications vary considerably in the use of a product, the customer and/or user should assure herself or himself that the product meets end customer requirements and is suitable for the intended end use. Coats accepts no liability for unsuitable or improper use or application of products.

Information provided above is based on current averages and should be taken only as indicative. Coats accepts no liability for the preciseness and correctness of the information provided.

Product information sheets are updated from time to time, please be sure you are referring to the most recent publication. Coats supports customers with advice on individual applications on request; if you have any questions or concerns, please contact us.