ISO 4231:2016

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

Publication date:   Oct 14, 2016

General information

90.60 Close of review   Mar 14, 2022

ISO

ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces

International Standard

25.100.50   Taps and threading dies

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Published

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Scope

ISO 4231:2016 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.

Life cycle

PREVIOUSLY

Revises
ISO 4231:1987

NOW

PUBLISHED
ISO 4231:2016
90.60 Close of review
Mar 14, 2022