The standard you are looking for is most likely , which covers Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws (Inch Series) . 🛠️ Likely Standard: ASME B18.6.4
Important Note: ASME B1864 is an older, withdrawn standard related to copper and copper alloy fittings (specifically for wrought copper and copper alloy brazed-joint pressure fittings). Many users currently search for a “fix” because legacy scans or unauthorized copies circulate online. asme b1864 pdf fix
Professionals report several recurring technical issues: The ASME B18
I notice you’re asking about — however, I believe there may be a typo in the standard number. ASME does not currently list a standard ASME B1864 . The most likely correct references are: If the PDF file is still not accessible,