BS 5590:1978
Current
The latest, up-to-date edition.
Specification for screw thread metric series measuring cylinders
Hardcopy , PDF
English
31-05-1978
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Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Material and finish
5 Form and general dimensions
6 Accuracy
7 Identification
8 Container
9 Certificates
10 Replacement cylinders
Appendices
A Definitions of pitch, pitch diameter and pitch line
B Derivation of P value
C Use of designated cylinders for various thread forms
Tables
1 Recommended overall lengths
2 Designation and nominal diameters of cylinders for
ISO metric screw threads
3 Screw threads for which designated metric cylinders
are also suitable
4 Additional cylinders required for screw threads not
included in table 3
Figures
1 Overall and working length of thread-measuring
cylinders
2 Testing straightness of cylinders
3 Pitch diameter and pitch line of a screw thread
4 Use of two cylinders to measure a screw thread to
obtain dimension T
5 Cylinder contact and relationship to E, T and P
values
Relates to measuring cylinders for ISO metric threads given in BS 3643. Appendix covers cylinders for use with Unified, Whitworth form and BA threads.
| Committee |
TPR/1
|
| DevelopmentNote |
Supersedes BS 3777(1964), which remains current. Supersedes 73/33654 DC (08/2005) Reviewed and confirmed by BSI, February 2012. (01/2012)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This standard relates to measuring cylinders for standard pitches of ISO metric threads given in BS 3643. The cylinders described are intended for use on threads of small helix angle, i.e. less than 5°.
Cylinders for measuring the pitch diameter of Unified, Whitworth form and B. A. threads are specified in Appendix C . (See BS 84, BS 93 and BS 1580 for details of these threads.)
| Standards | Relationship |
| UNE-EN IEC 61010-2-032:2021 | Identical |
| BS 93:1951 | Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A. |
| BS 1580-3:1965 | Specification for Unified screw threads Diameters below ¼ in |
| BS 427-1:1961 | Method for Vickers hardness test Testing of metals |
| BS 1580-1&2(1962) : 1962 | SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS 1/4 INCH AND LARGER |
| BS 84:1956 | Specification for parallel screw threads of Whitworth form |
| BS 3643-1:1963 | ISO metric screw threads. Thread data and standard thread series |
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