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GB/T 157-2025 Active
GB/T 157-2025 Geometrical product specifications(GPS)—Series of conical tapers and taper angles
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 157-2025 |
| CCS | Length measurement |
| ICS | Comprehensive measurement of length and angle |
| Implement Date | 2025-09-01 |
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