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BSI BS ISO 4156-1:2021

Straight cylindrical involute splines. Metric module, side fit -- Generalities
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BSI BS ISO 4156-1:2021

Straight cylindrical involute splines. Metric module, side fit -- Generalities

PUBLISH DATE 2025
PAGES 72
BSI BS ISO 4156-1:2021

This document provides the data and indications necessary for the design and manufacture of straight (non-helical) side-fitting cylindrical involute splines.

Limiting dimensions, tolerances, manufacturing deviations and their effects on the fit between connecting coaxial spline elements are defined in the formulae and given in the tables. Unless otherwise specified, linear dimensions are expressed in millimetres and angular dimensions in degrees.

SDO BSI: British Standards Institution
Document Number ISO 4156-1
Publication Date Dec. 22, 2025
Language en - English
Page Count 72
Revision Level
Supercedes
Committee MCE/5
Publish Date Document Id Type View
Feb. 3, 2021 BS ISO 4156-1:2021 Revision
Jan. 20, 2006 BS ISO 4156-1:2005 Revision
Dec. 22, 2025 BS ISO 4156-1:2021 Consolidated