Reference number
ISO 16239:2013
ISO 16239:2013
© ISO 2024
International Standard
ISO 16239:2013
Metric series wires for measuring screw threads
Edition 1
2013-11
2013-11
ISO 16239:2013
55989
Published
(Edition 1, 2013)
This publication was last reviewed and confirmed in 2024.
Therefore this version remains current.
Abstract
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.
