# ISO 17396:2014 — Withdrawn and superseded ISO standards For ISO 17396:2014, item title is Synchronous belt drives — Metric pitch, trapezoidal profile systems T and AT, belts and pulleys; status code is 9599; successor is ISO 17396:2017; withdrawn / published date is 2014-01-16, recorded from its source on 2026-08-05. - **Identifier:** ISO 17396:2014 _(verified: appears in the quote below)_ - **Item title:** Synchronous belt drives — Metric pitch, trapezoidal profile systems T and AT, belts and pulleys _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 17396:2017 - **Withdrawn / published date:** 2014-01-16 _(verified: appears in the quote below)_ ## What the source says > 44802,IS,,ISO 17396:2014,"Synchronous belt drives — Metric pitch, trapezoidal profile systems T and AT, belts and pulleys","Transmissions synchrones par courroies — Pas métrique, poulies et courroies dentées à dents trapézoïdales de profil T ou AT",2014-01-16,1,['21.220.10'],ISO/TC 41/SC 4,9599,,[70627],['en'],18,"
ISO 17396:2014 specifies the principal characteristics of synchronous endless and open belts and pulleys of the profile systems T and AT for use in synchronous belt drives for mechanical power transmission and where positive indexing or synchronization can be required.
The principal belt and pulley characteristics include