This International Standard specifies the coupling between handpieces and motors connected to dental units.
This International Standard specifies the nominal dimensions, tolerances and the extraction force of coupling systems for use between handpiece and motor which supply the handpiece with water, air and light, and rotation energy.
PROJECT
ISO 3964-1
60.00
Standard under publication
Apr 10, 2026
Dentistry - Coupling dimensions for handpiece connectors - Part 1: Mechanical properties (ISO/FDIS 3964-1:2026)
50.60 Close of voting. Proof returned by secretariat