Historical

BS 21:1985

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

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.

CONTENT PROVIDER
British Standards Institution [bsi]

Others Also Bought
Pipe threads where pressure-tight joints are not made on the threads -- Part 1: Dimensions, tolerances and des ...
Unified Inch Screw Threads (UN and UNR Thread Form)
Gages and Gaging for Unified Screw Threads
Included in Packages
This standard is not included in any packages.
Document History
Revises:
  • BS 21:1973
Revised By:
Amendments & Corrections
We have no amendments or corrections for this standard.