Rayflon offers a wide variety of specialty fasteners produced in PTFE or PP,Website:http://www.rayflon-seals.com, including but not limited to bolts, screws, nuts, washers, spacers, shoulder washers, screw insulators.All parts are precision machined by CNC lathes within the smallest tolerance range.For more details, please email us, we will react to you at the first time.