In industrial manufacturing, automotive assembly, and structural engineering, selecting the correct fastener is critical to the integrity of the final product. Among the numerous standards governing fastener design and production, ASME B18.6.4 is one of the most widely referenced. This standard covers the dimensional, mechanical, and performance requirements for thread-forming and thread-cutting tapping screws and metallic drive screws.
covers the complete general and dimensional data for various tapping screws recognized as American National Standards.
Features machine screw threads with a blunt point and multiple cutting grooves. Extensively used in heavy-gauge sheet metal, structural steel structural sections, zinc castings, and cast iron.
ASME periodically updates the B18.6.4 standard to account for advancements in metallurgy, manufacturing technology, and global supply chain shifts. Key focuses of recent updates include:
For mounting industrial nameplates and permanently affixed compliance tags using metallic drive screws. Classification of Fasteners under ASME B18.6.4 asme b1864 pdf
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Unthreaded or multiple-threaded fasteners designed to be forced or hammered into a hole, offering permanent high-retention fastening. Key Components Covered in the Standard
ASME B18.64-2010 applies to fasteners used in various structural applications, including:
: Screws must typically be quenched and then tempered at a minimum of covers the complete general and dimensional data for
If your work involves cutting, gauging, or inspecting pipe threads, the standard you need is .
: 10 pt. Serif font (e.g., Times New Roman), single-spaced [5.6]. : Use superscript numbers for in-text citations (e.g., to the first power
ASME B18.6.4 is a comprehensive standard dedicated to . As the official product page from ASME notes, the standard provides the "complete general and dimensional data" for these specific types of fasteners [9,11]. In simpler terms, it is the definitive reference for the design, manufacturing, and quality control of many common self-tapping screws used in American and other imperial-measurement markets.
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Used extensively in sheet metal body panels, dashboard assemblies, and plastic interior trim components.
The ASME B18.6.4 standard is a critical document for engineers, manufacturers, and quality control professionals involved in fastening and assembly. Developed by the American Society of Mechanical Engineers (ASME), this standard establishes the dimensional, mechanical, and performance requirements for slotted and recessed head tapping screws, as well as metallic drive screws.
The ASME B18.6.4 standard categorizes tapping screws based on how they interact with the material: ANSI B18.6.4 Self Tapping Drive Screws (Type U)