Asme B1864 Pdf Instant
The ASME B18.6.4 standard defines the dimensional and performance requirements for tapping screws and metallic drive screws in the United States. While many older technical documents still refer to it, users should note that this standard was officially consolidated into ASME B18.6.3 to streamline fastener specifications. 🔩 Scope and Purpose
Option 2: The ASME Standards Set (Best Value)
If you work extensively with piping, buy the ASME B16 Set or the B1 Thread Standards Set. asme b1864 pdf
1. Introduction
In modern manufacturing, the ability to join components without pre-tapping threads or using nuts creates significant economic efficiencies. This is the domain of the Tapping Screw. Unlike standard machine screws (governed by ASME B18.2.1) that require a pre-tapped hole, tapping screws create their own internal threads during installation. The ASME B18
- Quality Assurance: Ensures that screws meet specific performance and dimensional requirements.
- Interchangeability: Facilitates the use of screws from different manufacturers, enhancing supply chain flexibility.
- Safety and Reliability: Contributes to the safety and reliability of assemblies by standardizing the performance of critical fasteners.
What about "ASME Standards" on eBay or Amazon?
Be extremely cautious. Used books of ASME standards are obsolete the moment the new edition is released. While a physical book from 2010 might be okay for historical reference, you cannot use it for new construction. PDFs sold on these marketplaces are almost always counterfeit. Quality Assurance : Ensures that screws meet specific
1. Purchase Directly from ASME
- Website: asme.org (search "B18.64")
- Format: Secure PDF (DRM-protected, printable with watermark)
- Price: Typically $75–95 for non-members (members receive discounts)
- Access: Permanent download linked to your ASME account
- Materials: The standard covers fasteners made from carbon steel, alloy steel, stainless steel, and other materials.
- Dimensions: It provides dimensional requirements for fasteners, including bolts, nuts, and washers.
- Performance: The standard outlines performance requirements for fasteners, including tensile strength, yield strength, and elongation.
- Testing: It specifies testing methods and requirements for fasteners, including tensile testing, hardness testing, and impact testing.
7. Revision History
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.
The primary function of ASME B18.6.4 is to standardise the design and manufacturing requirements for thread-forming and thread-cutting tapping screws. These fasteners are unique because they eliminate the need for pre-tapped holes, creating their own mating threads as they are driven into materials like metal, plastic, or wood.