Stainless Steel Coupling is a threaded connection element that use to join stainless steel pipes, elbows, tees, nipples and similar threaded fittings. Coupling are usually BSP-BSPT threaded and designed to be used with fittings suitable for these threads. As Phoenix Steel Company, We offer you stainless coupling services in 202,304&316 qualities from 1/4" to 04".