Chiave Trigono 6h ●

A standard metric tolerance class for internal threads. The 6 represents the tolerance grade (medium precision), and the H indicates the position of the tolerance field (standard for internal fits). Common Uses

Unlocking electrical boxes, gas meters, or water service panels. Chiave Trigono 6H

Refers to the three-sided triangular shape of the socket or head. A standard metric tolerance class for internal threads

Operating emergency or service panels on trains and buses. Chiave Trigono 6H

These keys are primarily found in industrial and maintenance kits like those from Victorinox or specialized tool manufacturers for:

Accessing control panels or emergency overrides. How to use CHIAVE in Italian