We supply Threadolets (3000#, 6000 #) in pressure grade of 3000LBSCH40, SCH80, STD XS. 6000LBSCH160, XXS etc., and carbon steel of A182 A105 and in stainless steel of A182 F304. A182 F304L, A182 F316, A182 F316L. A182 F321 respectively These Threadolet Fittings are available in sizes ranging from 1/8" - 20"