100mm S/A Spring Hinge

Description

These single action spring hinges will close a door with a tensioned spring coil in the spine of the hinge. Not to be confused with similar looking double action spring hinges. Supplied with tension pins, which are inserted into holes in the spine of the hinge once the hinge has been tensioned to the desired closing speed.

These hinges should not be used to close a fire door as they are not a recognised as a tested means.