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BSI BS 21:1985

Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)
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BSI BS 21:1985

Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)

PUBLISH DATE 1985
PAGES 20
BSI BS 21:1985
INCORPORATES AMENDMENT 1
Range of threads from $9A to 6, together with thread forms, dimensions and tolerances, designations; includes appendices for recommended gauging systems and methods of use of gauges. Requirements for jointing threads for taper external threads, for assembly with either tapes or parallel internal threads and for longscrew threads for longscrews specified in BS 1387.
SDO BSI: British Standards Institution
Document Number 21
Publication Date Sept. 30, 1985
Language en - English
Page Count 20
Revision Level
Supercedes
Committee ISE/110
Publish Date Document Id Type View
Sept. 30, 1985 BS 21:1985 Revision
Dec. 31, 1973 BS 21:1973 Revision
July 15, 1959 BS 21:1957 Revision
Nov. 1, 1938 BS 21:1938 Revision
Nov. 1, 1909 BS 21:1909 Revision
April 1, 1905 BS 21:1905 Revision