Hinges are hardware pieces that provide a joint between two objects. They allow certain objects such as doors, gates and cabinets to function properly. In order for a hinge to support an objects’ size, weight, and placement, the correct hinges must be selected. For example, small hinges could break if supporting too much weight, and cabinets often require hinges that stay concealed. In order to understand the different types of hinges, our guide breaks down the particular styles and what they’re used for.
Parts and Properties of a Hinge
Leaf: Held together by the pin, the leaf extends laterally from the pin.
Knuckle: Tubular housing for the pin, the knuckle acts a joint for the hinge.
Knuckle Length: The segments that make up the knuckle are measured parallel with the pin.
Pin: The rod that runs the length of the hinge that holds onto the leaves.
Swaging: When one or both leaves form towards or away from the pins’ center.
Types of Hinges
Butt hinge: Designed with two plates that attach onto objects, most commonly used for interior doors.
Butterfly hinge: A small and decorative hinge that is used on ornate items such as jewelry boxes.
Concealed hinge: Made with a two-part support and closing structure, this hinge is meant to be hidden and is primarily used on cabinet and furniture doors.
Flag hinge: Swivels around a pin for right or left configurations and directional movement, often used on interior doors.
H hinge: The plates form an H shape which creates a flush mounted look. Commonly used on closet doors and corner cabinets.
Pivot hinge: Offers a wide range of motion operated from a single point, often found on glass doors.
Spring loaded hinge: Referred to as “self-closing door hinges,” these are ideal for cabinets.
Strap hinge: Often a decorative hinge, it features a wide design and is commonly placed on gates, sheds and other outdoor structures.
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Hinges can be constructed from different materials depending on the weight it will hold, and can have distinct traits such as removable pins, springs and more.
When your hinges are loose or in need of replacement, our selection of door and cabinet hinges, door hardware and gate hardware will help you find something new.
Product Compliance and Suitability
The product statements contained in this guide are intended for general informational purposes only. Such product statements do not constitute a product recommendation or representation as to the appropriateness, accuracy, completeness, correctness or currentness of the information provided. Information provided in this guide does not replace the use by you of any manufacturer instructions, technical product manual, or other professional resource or adviser available to you. Always read, understand and follow all manufacturer instructions.