Welding Nipple BSPP Thread Stainless Steel 3/8",1/2",3/4",1",1-1/4",1-1/2",2",3". Stainless Steel Welding Nipple (A2 / T304 Stainless Steel) - Parallel Threads (BSPP / G Thread). Gas thread not watertight (Internal and external threads are parallel).
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