What is ISO 4231- G series circular screwing dies about?

ISO 4231 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.

Who is ISO 4231 - G series circular screwing dies for?

ISO 4231 on hand and machine-operated circular screwing die for parallel pipe threads is useful for:

Manufacturers of screwing dies
Manufacturing units that produce screws
Quality control personnel

Why should you use ISO 4231 - G series circular screwing dies?

ISO 4231 provides you with dimensions and tolerances for circular screwing dies that help you to produce screws with parallel pipe threads. ISO 4231 also provides you with marking guidelines for screwing dies, this helps the consumers to identify the type of threading the die creates.

Overall, the guidelines of ISO 4231 help you to produce screwing dies and screws with quality parallel pipe threading.

What’s changed since the last update?

BS EN ISO 4231:2016 replaces ISO 4231:1987, of which it constitutes a minor revision with the following changes:

Annex A has been added
A Bibliography has been added

BS EN ISO 4231:2016

Hand- and machine-operated circular screwing dies for parallel pipe threads. G series

Current

Published:

31 Dec 2016