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SNV ISO 4231 : 1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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HAND- AND MACHINE-OPERATED CIRCULAR SCREWING DIES FOR PARALLEL PIPE THREADS; G SERIES
01-12-2009
12-01-2013
Lays down the dimensions of screwing dies intended for production of parallel pipe threads in accordance with ISO 228-1. Diameter, thickness and fixing dimensions are accordance with ISO 2568 so as to permit the driving of and-operated dies with the aid of the die stocks defined in that document.
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