HOW TO MAINTAIN DOOR LOCKS THAT HAVE BEEN USED FOR A LONG TIME?

Door locks are divided into the following categories due to different lock-making technologies and applications:

Ball-lock:

The handle of the door lock is spherical, the manufacturing process is relatively simple, and the cost is low. There are many applications in our country. Due to poor security, it is generally used for indoor door locks.

Product materials are mainly iron, stainless steel, and copper

Iron is used for the inner structure of the product, the outer shell is mostly made of stainless steel, and the lock cylinder is mostly made of copper

Three-bar handle lock:

The handle of the door lock is a door handle, the manufacturing process is relatively simple, and the cost is low. There are many applications in our country. Due to poor security, it is generally used for indoor door locks.

Product materials are mainly iron, stainless steel, copper, zinc alloy

Iron is used for the inner structure of the product, the outer shell is mostly made of stainless steel, the lock cylinder is mostly made of copper, and the lock handle is made of zinc alloy.

Mortise handle lock:

This lock is divided into the split lock and conjoined lock

There are many materials for the product, including zinc alloy, stainless steel, copper

The product safety is relatively good, and it is often used for entrance doors and room doors.

Office applications are more common.

Glass door lock:

With the advent of glass doors came many glass door locks.

The advantage of the glass lock is that the glass does not need to open holes

The safety performance is better.