ISO 16239:2013

Metric series wires for measuring screw threads

Publication date:   Oct 22, 2013

General information

90.93 Standard confirmed   Mar 21, 2019


ISO/TC 1 Screw threads

International Standard

17.040.30   Measuring instruments



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ISO 16239:2013 specifies the material, metric series nominal diameters, diameter tolerances, and designation for screw thread measuring wires.
ISO 16239:2013 is applicable to measure the pitch diameters of ISO general purpose metric screw threads (M), Unified screw threads (UN), Whitworth pipe threads (G, R), and ISO metric trapezoidal screw threads (Tr) with standard pitches. These wires are intended for use on screw threads with a small lead angle, less than 5°, and mainly used to calibrate the pitch diameters of thread plug gauges.

Life cycle


ISO 16239:2013
90.93 Standard confirmed
Mar 21, 2019