The Introduction to Mailbox Locks

Here is the brief introduction to the mailbox lock.

The mailbox lock is a cam lock, which is a lock named by the application. As mailboxes are generally placed centrally, such as the lobby of the first floor of a building, the smaller the mailbox lock mutual open rate (the probability of opening each other) is, the better it is.
 
Folding mailbox hook locks
It is commonly used in the industry mailbox hook locks. The open rate is one hundred twentieth. This is sufficient for many residential buildings with low floors.
 
The mailbox hook lock

Folding club billiard box locks
The plum blossom ball mailbox lock is much safer than ordinary mailbox cam locks. Its mutual opening rate can reach one in thousands to one in tens of thousands.
 
This type of the structure of plum marble mailbox locks is controlled by the arrangement and combination of seven rows of copper marbles. According to the different lengths of marbles, tens of thousands of locks can not be opened to each other.
 
Club billiard box locks
 
Folding cartridge box locks
The magnetic pin mailbox lock is a new technology of mailbox cam locks. It has the following characteristics:
 
1. Unique lock hole blocking device, dustproof and foreign body blocking
 
2. Prevent the opening of technical methods and master keys.
 
3. The key can not be copied by individuals and cannot be matched in the market.
 
4. The keys between the locks do not open each other, but one key can open each lock.
 
5. Easy installation and low price
 
6. The rare earth high-energy permanent magnet material is used. The volume is small. The magnetic force is strong. The natural degaussing is less than one ten thousand in a hundred years, which is permanent and reliable.
 
There are four commonly used size specifications:

1. D18.5 x L16 refers to that the diameter of the lock core is 18.5mm and the action length is 16mm.
2. D18.5 x L20 refers to that the diameter of the lock core is 18.5mm and the acting length is 20mm.
3. D18.5 x L25 refers to that the diameter of the lock core is 18.5mm, and the action length is 25mm.
4. D18.5 x L30 refers to that the diameter of the lock core is 18.5mm and the action length is 30mm.
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