GB/T 157-2025 Active National standards

GB/T 157-2025 Geometrical product specifications(GPS)—Series of conical tapers and taper angles

GB/T 157-2025 Geometrical product specifications(GPS)—Series of conical tapers and taper angles

Publish Date: 2025-05-30 Implement Date: 2025-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 157-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Length measurement
ICS Name: Comprehensive measurement of length and angle
Publish Date: 2025-05-30
Implement Date: 2025-09-01
Pages: 16 pages

Scope

This document presents the series of conicities and cone angles for general-purpose cones in engineering technology, with cone angles ranging from 120° to 0° (excluding), or conicities ranging from 1:0.289 to 1:500. The values presented in this document are derived through calculations.
This document is applicable to smooth cones, but not to pyramidal cones, conical threads, or spur gears, etc.

Development Information

Word Count: 16 Thousand words Pages: 16 pages

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Referenced Standards

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ISO 1119:2011

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