ASME B1.1-2003 Unified Inch Screw Threads (UN and UNR Thread Form)

This standard defines the dimensions, specifications, and technical requirements for unified inch screw threads with UN and UNR thread forms.

ASME B1.1-2003, Unified Inch Screw Threads (UN and UNR Thread Form), establishes the dimensional requirements and specifications for unified inch screw threads. It covers thread designations, series, diameter and pitch combinations, limits of size, tolerances, allowances, and related thread requirements for engineering and manufacturing applications.

Application Scope: Applicable to engineers, designers, machinists, manufacturers, inspectors, and organizations involved in the design, production, inspection, and interchangeability of unified inch threaded components.