BS EN ISO 4231:2016

This standard BS EN ISO 4231:2016 Hand- and machine-operated circular screwing dies for parallel pipe threads. G series is classified in these ICS categories:

• 25.100.50 Taps and threading dies

This International Standard is a supplement to ISO 2568 and ISO 4230 and specifies the dimensions of hand- and machine-operated circular screwing dies intended for production of parallel pipe threads, G series, in accordance with ISO 228‑1 .

The general dimensions of these dies (diameter, thickness and fixing dimensions) are in accordance with ISO 2568 so as to permit the driving of hand-operated dies with the aid of the die stocks defined in that document.