British Association (B.A.) screw threads. Requirements Ingestion-build-73935 IEC 60079-0

IEC 60079-0

The standard does not include requirements for technical delivery of products or the spheroidal graphite cast iron classification for pipes

unless they can affect the structural design of the tank

short thread

In many organizations

British Association (B.A.) screw threads. Requirements Ingestion-build-73935 IEC 60079-0BS 93: 2008 British Association (B. A.) screw threads. Requirements BS 93: 2008 specifies limits of sizes, and tolerances, for single start parallel screw threads of British Association (B. A.) form. The standard specifies the British Association (B. A.) system of screw threads, which comprises 17 graded metric sizes designated by the numbers 0 to 16. Approximate inch equivalents are also given. BS 93 specifies the following: basic sizes for B. A.