stainless steel male connector,tube fitting 1.size:1/8''--2'' or 3mm-- ... 3 to 50mm. prssure up to 6000psi, widely exportedCompression Fitting/Equal Union/Instrument Tube Fitting1) Available in tube sizes: ... 20#, 1Cr18Ni9Ti, 304, 316, 316L, etc6) The demands for fitting pipes: φ4 toφ427) Cone thread: G, R, GPT, NPT, BSP ... 811/1616.7619.332.2539.62EAU8-8U1/21/23/4-1613/167/822.8621.8435.8145.97EAU12-12U3/ ...