Hinge Types

Bi-fold Hinges are two hinges of various lengths that are multi-leaf allowing the door or panel to be opened in both or the same direction. Bi-fold hinges have multiple pivot points that allow a tighter swing with a greater degree of travel.

Butt hinges are generally 6 inches in length or shorter. Butt hinges are most commonly used on doors, fabricated panels, etc. It is a hinge with two rectangular metal plates with screw holes joined by either a pin or rod. Butt hinges are most commonly used in multiples, three or fours. Most butt hinges found in the U.S. are made of steel, although butt hinges for exterior doors are often made of brass, stainless steel, or aluminum to prevent corrosion.

 

Case hinges are similar to a butt hinge however usually more of a decorative nature most commonly used in suitcases, briefcases and the like.

This type of hinge is also known as an invisible hinge. These hinges are made so you only see the surface of the door. They consist of two parts, which are pivots and brackets. Concealed hinges commonly used on furniture doors (with or without self-closing feature, and with or without dampening systems).

This type of hinge is also known as a piano hinge. Continuous hinges run the entire length of the door, panel, or box. Continuous hinges are manufactured with or without holes. These hinges also come in various thicknesses, pin diameters, and knuckle lengths.

Custom Hinges are any style of hinge manufactured to a customer’s specific needs or requirements.

A Flag Hinge can be taken apart with a fixed pin on one leaf. Flag hinges can also swivel a full 360 degrees around the pin.  Flag hinges are manufactured as a right hand and a left hand configuration.

Hospital Hinges are commonly shorter in length typically manufactured of stainless steel with rounded machined knuckles.

This type of hinge is also known as a piano hinge or continuous hinge. It runs the entire length of the door. In-stock hinges are manufactured with or without holes. These hinges also come in various thicknesses, pin diameters, and knuckle lengths.

 

Institutional Hinges are commonly shorter in length typically manufactured of stainless steel with rounded machined knuckles.

The Knife Hinge is shaped like a pair of scissors. It is commonly used in toolbox lids as a side support.

Latch Hinges combine a hinge and a latch in a standard piece of hardware. They may or may not include a spring release.  The Latch Hinge / Spring Release hinge has either a pair of spring-loaded handles or a single handle, which pulls toward the center to release the body or door from the keeper. An alternate style relies on an engagement hole or slot in the adjoining surface. Installation is simple and inexpensive using screws, rivets or by welding. All styles are manufactured to close tolerances. End play and side play are held to a minimum, insuring a precision fit and smooth operation.

 

Off-set hinges offset the pin pivot point of the hinge.  Off-setting is a secondary process that can be applied to many types of hinges

Overlay hinges fold into each other.  Two hinge leaves that fold or lay into one another to reduce overall thickness.

This type of hinge is also known as a continuous hinge. It runs the entire length of the door. Piano hinges are manufactured with or without holes. These hinges also come in various thicknesses, pin diameters, and knuckle lengths. 

 

Reverse assembled hinges take one leaf turned upside down and assemble one leaf up and one leaf down (in reversed fashion).

Slip Joint Hinges or take apart hinges, are used for easy and quick door removal and are ideal when doors need to be frequently removed. Commonly used on removable doors and panels and gates, this type of hinge is comprised of a male leaf with an attached pin and a female leaf with no pin. They can be configured either left- or right-handed, with or without holes.

Special Hinges are any style of hinge manufactured to a customer’s specific needs or requirements.

Spring loaded hinges can be configured for various tensions and to hold the hinge in the open or the closed position.

 

Strap hinges are generally shorter in length with longer leafs. This type of hinge is designed for supporting wide doors.

Stop hinges are commonly manufactured as either an inside stop hinge or an outside stop hinge at various degrees or angles.

A swage hinge is designed to close the gap between the leaves in the closed position. Reverse swaging is used to simulate reverse assembly cost effectively.

Take Apart Hinges or slip joint hinges, are used for easy and quick door removal and are ideal when doors need to be frequently removed. Commonly used on removable doors and panels and gates, this type of hinge is comprised of a male leaf with an attached pin and a female leaf with no pin. They can be configured either left- or right-handed, with or without holes.

This type of hinge is shaped like the letter T. It is commonly used on gates. T hinges come in many different styles. T Hinges typically have one narrow leaf and one wide leaf.

Weld hinges or weld-on hinges come in various styles of hinges that welding performed as a secondary process performed to it.