NPSM, NPTF, NPT, leh BSPT thread te i hriatthiam loh avangin i buai em?He thuziak hian heng thread te hi chipchiar taka hriatthiamna a pe ang che a, ngaihtuah tur pawimawh tak tak te nen install dan tur a zirtir bawk ang che.Detailed Analysis of Thread TypesNPT (National Pipe Taper) ThreadsDefinition,
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