| Standard | Title | Common Use Case | | :--- | :--- | :--- | | | Factory-Made Wrought Buttwelding Fittings | Long-radius elbows, tees, caps, reducers | | ASME B16.11 | Forged Fittings, Socket-Welding and Threaded | High-pressure, small-bore fittings (3000/6000/9000 class) | | ASME B16.5 | Pipe Flanges and Flanged Fittings | Flanges NPS 1/2 through NPS 24 | | ASME B16.47 | Large Diameter Steel Flanges | Flanges NPS 26 through NPS 60 | | ASME B16.34 | Valves—Flanged, Threaded, and Welding End | Pressure-temperature ratings for valves |
: ASME B18.6.3-2024 is the most up-to-date version for these fasteners. 📄 How to Access the PDF
It is important to ensure you are working with the latest revision. ASME B18.6.4 has undergone several revisions (e.g., 1981, 2002, 2010). Always check the "Date of Issuance" on the cover page of your PDF to ensure compliance with current manufacturing contracts. asme b1864 pdf
These screws feature slots or cutting edges at the point, designed to act like a tap, removing chips from the hole.
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The standard, which covers thread-forming and thread-cutting tapping screws and metallic drive screws (inch series), has been superseded and consolidated into ASME B18.6.3 . While the 1998 version (reaffirmed in 2005) is still referenced in legacy projects, users are generally directed to the updated ASME B18.6.3-2024 for the most current data. Overview of ASME B18.6.4 | Standard | Title | Common Use Case
If you are dealing with bolts, screws, or nuts, you will find your answer here. A common mis-type for B1864 is .
October 26, 2023 Subject: Mechanical Fasteners, Dimensional Standards, and Quality Assurance Standard Referenced: ASME B18.6.4 - Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws (Inch Series) Always check the "Date of Issuance" on the
