Pipe Threading MachineChina NPT BSPP BSPT DIN ASTM Black Carbon Steel Coupling, Carbon Steel and Stainless Steel, ANSI/DIN/GOST/DIN Size 1/8 Inch -10inch, Thickness Std-Sch160, Find details about China Barrel Nipple, Welded Nipple from NPT BSPP BSPT DIN ASTM Black Carbon Steel Coupling, Carbon Steel and Stainless Steel, ANSI/DIN/GOST/DIN Size 1/8 Inch -10inch, Thickness Std-Sch160