What is a butt hinge? The Basics of Butt Hinges and How They Work

Butt hinge are common mechanical bearings that allow limited rotation between two connected objects. Their design includes two leaves and a joint with a pin. Unlike other hinge styles, butt hinges feature a mortise and tenon structure.

What is a butt hinge?

Also known as mortise and tenon hinges, butt hinges consist of a pair of identical leaves. Compared to other types of hinges, these hinges have a larger joint that allows the two leaves to sit flush when the hinge closes. This design not only enhances the aesthetics, but also provides a secure and stable connection for doors and other applications.

How Butt Hinges Work

Butt hinges operate similarly to most other hinges, allowing a limited degree of rotation between two objects. Here’s how they work:

• Mounting: One leaf of a butt hinge is attached to a fixed object, such as a door frame, while the other leaf is attached to a rotating object, such as a door.
• Joint Mechanism: The joint is located between the two leaves, allowing rotation. The joint allows the hinge to rotate smoothly when you pull the rotating object away from the fixed object.
• Fastening: Butt hinges are usually installed using threaded fasteners, such as screws.The leaves must firmly attach to both objects, while the joint holds together with a pin, which can be fixed or removable.

Butt Hinges vs. Other Hinges

The main difference between butt hinges and other hinge types is their flush installation. Here are some of the main differences:

• Flush Design: Butt hinges are designed to be flush when installed, meaning they are recessed into the surfaces of the rotating and fixed objects. This requires cutting grooves in the door and frame.
• Exposed Components: When the rotating object closes, the two leaves of a butt hinge remain aligned and flush, with only the joint visible. In contrast, other types of hinges may not be flush, and their components may be more noticeable when closed.
• Weight Capacity: Butt hinges generally suit heavier objects better because they feature a larger joint that acts as a bearing to support the weight. This makes them a great choice for solid wood doors or heavy gates.

Conclusion

In summary, butt hinges are a versatile and sturdy choice for a variety of applications, from residential doors to commercial installations. Their ability to accommodate heavier objects while maintaining a clean, flush appearance makes them a popular choice among bu ilders and DIY enthusiasts.

For more information on butt hinges or to explore our wide range of hardware products, please contact Guangdong Goodich Hardware Co., Ltd. at info@goodich-hardware.com or +86-15618525178. Our knowledgeable team is here to help you find the perfect hinge for your project!