Khгіa Tam Giгўc 6h «PROVEN»
In engineering, 6H is a standard ISO metric thread tolerance class. A "6H Taper Lock" is a type of thread plug gauge used to verify internal thread accuracy.
6H tolerance tools ensure that screws and nuts fit together with the correct amount of clearance for easy assembly without binding. KhГіa tam giГЎc 6H
Triangular keys are standard for opening emergency or maintenance doors. In engineering, 6H is a standard ISO metric