BS 2779-1986 Specification for Pipe threads for tubes and fittings where pressure-tight joints are not made on the threads .pdf PDF 851.71KB 20页 BS 4084-1996 UNJ threads, with controlled root radius, for aerospace. Inch series..pdf PDF 5MB 41页 BS 1580-3-2007 Unified screw threads – Part 3 Screw threads with diameters below in – Requirements.pdf PDF 478.42KB 24页
