Introduction To Master Keying

Please view the sample video clip.

Master Keying

The subject of this locksmith video DVD lesson is how to master key locks. Master keying locks is an essential skill and a common request for a locksmith from home owners and business owners alike. This course will start with presenting a simple master key system and follow with a more complex system. The course covers common standards for master keying. Please see the sample video clips.

This video runs 1 hr. 58 min. and is divided into eight parts:

  • Part 1 – Tools needed to master key locks
  • Part 2 – How to construct a master key system
  • Part 3 – Code machines
  • Part 4 – Space and depth keys
  • Part 5 – Pinning the locks
  • Part 6 – Adding a lockset
  • Part 7 – Master Key software
  • Part 8 – Suggested practice activities


After completing this course you should be able to:

  • 1.  List the tools used in master keying locks.
  • 2.  Explain the difference between master keying locks and keying locks alike.
  • 3.  Explain the process of masterkeying locks.
  • 4.  List six basic rules used in designing a master key system.
  • 5.  List the basic master key codes for a four level system.
  • 6.  Generate key combinations for a master key system.
  • 7.  Explain how the HPC 1200 Code machine works.
  • 8.  Explain how to use space and depth keys.
  • 9.  Explain how to add a lock to a master key system.
  • 10.  Explain the basic steps in using a master key software.


How to master key locks is a valuable skill!

One master key job will more than pay for the course!