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brass taper nut We are a Chinese manufacturer, specialize in supplying the hydraulic and pneumatic fittings, brass fitting,iron and steel fitting. our products have good and stable quality. Main market USA, Europe and Japan Standard ANSI BSI CSA NF DIN GOST JSA JIS AS GB ASME ASTM BHMA MSS SAE Main material brass (Grade: ASTM C36000 and C37700, JIS C3604 and C3771)carbon steel(Grade: GB Q235 20# and 45#) Thread type (Metric standard) M, S, Tr, B, ZM (American standard) UN, MJ, UNJ, ACME, BUTT, NPT, NPSC, NPTF, NPSM, UNF(British standard ) BSP, BSW, BSF, R, G Specification 1/2"- 48" (DN15-DN1200) Surface treat 1) passivate 2) galvanized or chromeplate (our products can pass 90 hours saltspraytest) Machine CNCmachine, lathe, punch All the products in our website are samples without exact size, because most of them are nonstandard, if you are interested in them or have the similar part need to produce, you can send your drawing or sample to us, we will offer you the reasonable price as soon as possible. We will appreciate an opportunity to prove ourselves.