Specificationsstainless steel joint ISO9001:2008 Type: A,B,C,D,E,F,DC,DP Thread type:NPT.BSPT,BSP,DIN259/ ... (SR) Socket Banded, Hexagon Head Cap, (SPE) Socket O.D. Machinde,1/2(SPE) Socket O.D. Machined, (BN) Barrel Nipple, (RHN) Reducing Hexagon Nipple ...