Exterior door hardware is the collective name for all kinds of metal and non-metal accessories installed on the doors of a building. They play an auxiliary role in the opening and closing of doors. The surface is generally plated or coated, which is strong, durable, flexible, economical and beautifu

What are spring hinges? Spring hinges, also known as spring loaded hinges, self-closing hinges and door closing hinges, are hinges equipped with springs that automatically close the door from the open position. Spring hinges are adjustable. You can learn more about spring hinges in this article.This

Before you are being introduced to any products you should understand why some items of hardware are handed. This means that certain products will not suit all doors or windows and below are intended to help you know which products may be handed and how to determine the correct one.

A hinge is a mechanical component used to connect the surfaces of two objects. It allows the surface to rotate about a fixed axis, as shown in the adjacent photo. One of the most common applications for hinges is doors. Whether in a home or commercial setting, hinges are commonly used to mount a doo

Cross-keying is a term that is used to describe a cylinder that is operated by more than one change key. This is different than a master keyed cylinder because usually a cylinder that is master keyed will only be operated by one change key as well as the master key.

If you have a problem with your door, the door hinges may need to be adjusted. Fortunately, door hinges can be easily adjusted around the building door with a few simple tools.This passage is going to talk about the followings of adjusting the door hinge:1) Method 1 Tighten the hinges in order to cl

The butt door hinge installation before determining the type of Interior door hinge is half cover, full cover or internal cover before the implementation of the installation, before the installation of the butt door hinge to determine the minimum margin of the Interior door hinge installation.Differ

In order to provide support for doors and allow them to open and close fully, door hinges are critical to almost every door in order for it to function properly. As time passes, it's likely that door hinges will need to be replaced or new ones will need to be installed on new doors. Fortunately, the

Keying systems are available in various degrees of complexity depending on the number of keying levels used. Change keys form the lowest level of the hierarchy of a key system. Master, grand master and great grand master keys form the higher levels of hierarchy of key systems. Level one systems cons

What is master key?
A master key is a key which will open all the locks in a set, even though each lock has its own different key.

Door hardware is an essential piece of equipment in everyday life. It comes in many varieties and is usually used in conjunction with door locks, providing a lot of convenience and security for people's safety and daily living. This article will give a brief introduction and analysis of door hardwar

A door lock is a device used to lock a door in place to prevent others from opening this door. Door locks are widely used and can be found almost everywhere. As people's quality of life levels increase, there are more and more types of door locks. However, many people do not know how to properly sel

Swing clear hinges are used on openings, such as hospital patient room entry or cross-corridor openings, where the maximum clear width of the opening is required to permit the passage of equipment without damaging the doors.

Door locks are essential equipment in people's lives and without them, life's safe living and privacy will not be guaranteed. The development of door locks has been going on for centuries, and the variety of locks on the market has become unimaginable. From the point of view of the material of the d