The QM7 series is a range of friction hinges that are made up of zinc alloy, steel and grease. It features 360 degree shaft rotation, and M3 or #4 screw mounting hole.
The friction hinges feature nature or black paint finish. Their cycle life is over 25,000 cycle life within ±20% of static torque specification. They have no backlash.
These are applicable for display panels, office tools, medical tools, and the like.
RoHS and REACH compliant.