Malone Specialty Inc. offers Carbon Steel Bonded Seals for Metric Threads as well as 316 Stainless Steel Bonded Seals for Metric Threads, in various sizes. Our Carbon Steel Bonded Seals feature Nitrile Rubber (Buna-N) seals, where as our 316 Stainless Steel Bonded Seals feature Vitonยฎ seals. These Bonded Seals are used in a port style connection, where a seal is required for the parallel threads to hold pressure. For more information please see below, or contact one of our experienced salesmen at (440) 255-4200.