Steel Nipples and Sockets, King Nipple, Barrel Nipple, NPT, DIN, BS, JIS THREADING

STEEL NIPPLES (BLACK / GALVANIZED) 1) ANSI / ASTM A733: Steel Pipe Standard ANSI / ASTM A 120 (SCH40); Threads: ANSI B1.20.1 2) DIN 2982: Steel Pipe Standard DIN2240; Threads: DIN 2999 3) BS 1387: Steel Pipe Standard BS 1387(M); Threads: BS 21 STEEL SOCKETS (BLACK / GALVANIZED) 1) Steel Pipe Standard ANSI / ASTM A 120 (SCH40), Thread: ANSI B1.20.1 (Internal Paralleled thread) 2) DIN 2986: Steel Pipe Standard DIN2448, Thread: DIN 2999 (Internal Paralleled thread) 3) BSEN 10241:2000: Steel Pipe Standard BS 1387(M), Thread: BS 21 (Internal Paralleled thread）