BS 1127-2: 1990 EN 24230: 1989 ISO 4230:1987 : Screwing dies and dienuts — Part 2: Specification for hand- and machine-operated circular screwing dies for taper pipe threads; R Series
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This International Standard is a supplement to ISO 2568 and ISO 4231 and lays down the dimensions of hand machine operated circular screwing dies intended for production of taper pipe threads, R series, in accordance with ISO 7-1.
BS 1127-2: 1990 EN 24230: 1989 ISO 4230:1987 : Screwing dies and dienuts — Part 2: Specification for hand- and machine-operated circular screwing dies for taper pipe threads; R Series