BS ISO 16239:2013
Current
The latest, up-to-date edition.
Metric series wires for measuring screw threads
Hardcopy , PDF
English
31-10-2013
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Reference temperature
5 Material, hardness, and surface finish
6 Nominal diameters of best-size wires
7 Tolerances of wires
8 Measurement methods for wires
9 Designation
Describes the material, metric series nominal diameters, diameter tolerances, and designation for screw thread measuring wires.
| Committee |
FME/9
|
| DevelopmentNote |
Supersedes 12/30238558 DC. (11/2013)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies the material, metric series nominal diameters, diameter tolerances, and designation for screw thread measuring wires.
This International Standard is applicable to the measurement of 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 are mainly used to calibrate the pitch diameters of thread plug gauges.
| Standards | Relationship |
| ISO 16239:2013 | Identical |
| ISO 1:2016 | Geometrical product specifications (GPS) Standard reference temperature for the specification of geometrical and dimensional properties |
| ISO 5408:2009 | Screw threads Vocabulary |
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