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
dnaSRPS EN ISO 3964-1:2023
50.60
Close of voting. Proof returned by secretariat
Apr 9, 2026