High security euro anti breaking brass 70mm double clutch emergency cylinder lock

Master Key System

EOS secure are able to provide master key system for this cylinder. Meanwhile, if you have in-house locksmithes, you can assemble the master key system by using the accessories including master pins.
Learn more about our Master key system service.


EOS secure provides customization and design services to boost your business.

Learn more about customization.

Small order

EOS secure provides small MOQ on our existing models for start-up customers or mock up samples for projects.

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master key system and security cylinders

10 years of experience of master key system and security cylinders

high precision lock cylinders

Tsugami CNC Swiss-type automatic Lathe machine to guarantee the precision

lock cylinders R&D

Support your customize and Innovative design

lock cylinders quality control

Implement the strictest quality control

Using telescopic pin and moving pin structure.
Standard 0.1 – 0.15mm gap between rotor and housing.
Suitable for doing master key system. Offering master pins (3 kinds).
Key blanks with mobile pins assembled already.
Standard using #206 key profile. Other key profiles are available.
Available for different finishes. Plastic key head. Nickel silver keys.
Optional double-entry function.

mul-t-lock interactive mul-t-lock lock cylinder manufacturer

Material of housing and plugs


Material of keys


Optional surface finishes

SN, PB, SB, BLK, and so on

Dimension of housing

33*17*10mm Din standard


Making master locking system

Mutual opening

No mutual open with only 1 number difference

Inner pin

5 numbers

Outer(external) pin

4 numbers

Construction key


Master key system




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