If you are searching for "ASME B1864 pdf," you are likely looking for the ASME B18.64 standard. This is a common typo or misremembered number, as the ASME B18 series covers fasteners, and B18.64 specifically addresses metric helical coil screw thread inserts (commonly known as wire thread inserts or Heli-Coil® type inserts).
This article explains what the standard contains, why it matters for engineering and manufacturing, and—most importantly—how to obtain an official, legitimate PDF copy. asme b1864 pdf
If you work extensively with piping, buy the ASME B16 Set or the B1 Thread Standards Set. Understanding ASME B18
Search engines often trap users with PDFs that claim to be "B1864" but are actually table scraps from old, outdated, or forged documents. Using an incorrect thread dimension from a fake PDF can lead to: A set of 10-15 standards is often cheaper