'Thin Thread Technology for Thermoplastic Materials' br br Company website: br br Screws for plastic assembly. For use in thermoplastic and thermoset plastic. Delta PT® screws thread form thread roll into plastic materials. Brass Insert removal possible for major fastener cost savings when designing with the proper guidelines. Delta PT® Threaded Fasteners for Plastic allow for the newest in fastening technology including into BMC and SMC materials. br br For more product information, please visit: br br Delta PT® is a registered trademarks of EJOT Verbindungstechnik GmbH & Co. KG.