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
"Chiave Trigono 6H" refers to a specific type of triangular key used for opening utility panels, such as those found on elevators, electrical cabinets, and railway equipment. The designation typically specifies a 6mm triangular (trigono) head size with a standard 6H tolerance , ensuring a precise fit for internal mechanical components like nuts or tapped holes. Mechanical Specifications Chiave (Key): An Italian term for "key" or "wrench." A standard metric tolerance class for internal threads
Refers to the three-sided triangular shape of the socket or head. "Chiave Trigono 6H" refers to a specific type
These keys are primarily found in industrial and maintenance kits like those from Victorinox or specialized tool manufacturers for: