BS AU 50.3.2a:2002 pdf free.Tyres and wheels-Part 3.2:Valves-Tyre valve threads.
BS AU 50.3.2a The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.1 Scope This International Standard specifies limit dimensions and tolerances for three series of tyre valve threads: 5V1, 5V2, 6V1 and 8V1; 一9V1, 10V2,12V1, 13V1; 8V2，10V1， 11V1， 13V2， 15V1， 16V1， 17V1, 17V2, 17V3, 19V1 and 20V1.ISO 1502,ISO
general-purpose metric screw threads一Gauges and gauging. ISO 9413, Tyre valves -Dimensions and designation. 3 Designation
The designation of tyre valve threads shall be as given in Table 1.3 Designation The designation of tyre valve threads shall be as
given in Table 1.5 Thread gauging The principles of thread gauging shall be in accordance with ISO 1 502.5 Thread gauging
The principles of thread gauging shall be in accordance with ISO 1 502.BS AU 50.3.2a pdf download.