: Includes specifications for head types (pan, flat, oval, etc.), thread-forming data, and protrusion/penetration gaging. Current Status
Official copies are available through authorized distributors: : Purchase the latest consolidated standard. ANSI Webstore : Access the 1998 (R2005) historical version. asme b1864 pdf
The standard provides comprehensive general and dimensional data for various styles of slotted and recessed head tapping screws, as well as metallic drive screws. Its primary goal is to ensure interchangeability and performance across different manufacturers for products used in automotive, aerospace, and general industrial assembly. Key areas covered in the include: : Includes specifications for head types (pan, flat,