Butt Hinge

● Common Ground: Most universal hinge.

● Series Code: SSH

● Numbering: Series code + size + joint type + angle shape

Flash/Lift-off Hinge

● Common Ground: Lift-off hinge, relatively easy to install.

● Series Code: FLH

● Numbering: Series code + series number + size

Spring Action Hinge

● Common Ground: Spring action, self-closed hinge

● Series Code: SAS

● Numbering: Series code + series number + size


Security Hinge

● Common Ground: Anti-theft, anti-prying, for security sake.

● Series Code: SCH

● Numbering: Series code + series number + size