This document specifies coupling between handpieces and motors that are connected to dental units. For the purposes of this document, the couplings described in this document are not equipped with electronic terminal(s).
This document specifies the nominal dimensions, tolerances and extraction force of coupling systems for use between handpieces and motor which supply the handpiece with water, air and light and rotation energy.
PUBLISHED
EN ISO 3964-1:2026
60.60
Standard published
Jun 10, 2026