GB/T 157-2025 in English

This standard establishes a series of specifications for the taper and angle of cones, which are essential for ensuring consistency and interoperability in technical applications. It provides detailed guidelines on the dimensions and tolerances associated with conical shapes, facilitating precise manufacturing and measurement processes. The document outlines the necessary parameters and measurement methods to achieve uniformity across different industries. It also includes definitions and references to related standards, supporting the accurate interpretation and application of conical geometrical specifications. The content is structured to enable clear communication and standardization in the design and production of conical components.