Introduction to Impressioning
Being able to impression a key is an essential skill for locksmiths.
Intro To Impresssioning
This locksmithDVD lesson will cover how to impression a key to fit a lock and how to sight read a wafer lock. Impressioning is the process of filing a key to fit a lock without having the use of a working key to study. Of all the skills needed by a locksmith, this one might be considered the most difficult to master. Sight reading wafers is also a very valuable skill and with practice, anyone can do it. Please see the sample video clips.
This video runs 1 hr. 51 min. and is divided into seven parts:
- Part 1 – Tools needed to impression a key
- Part 2 – Explanation of how to impression a key
- Part 3 – Demonstration of the impressioning process
- Part 4 – Practice with impressioning marks
- Part 5 – Sight Reading a Disc Lock
- Part 6 – Impressioning a pin tumbler lock
- Part 7 – Suggested practice activities
After completing this course you should be able to:
- 1. List the tools used in impressioning.
- 2. Explain the process of impressioning a key.
- 3. Explain three different methods of making impression marks.
- 4. Explain where to find space and depth data.
- 5. Give the depth increment of cuts used in Yale disc locks, Chicago disc locks and National disc locks.
- 6. Explain the process of site reading a wafer lock.
- 7. Explain how to prepare a key blank for impressioning.
- 8. Recognize impression marks
Discover your potential, starting today!
One locksmith job will more than pay for the course.