Why Key Copies Sometimes Fail: The Copy of a Copy Effect
Terry from Mr. Locksmith demonstrates the common issue of duplicating keys multiple times using a Schlage mortise cylinder and original Schlage blank. He shows how each subsequent copy of a key can degrade in quality, making them progressively less functional. Through a practical demonstration, Terry cuts keys repeatedly until they stop working, highlighting the importance of using an original key for accurate duplication. Follow along to see how many copies it takes before the key fails, and understand why original keys are crucial for reliable key cutting.
Mr. Locksmith demonstrates the effects of duplicating a Schlage key multiple times using an original Schlage blank and mortise cylinder. By cutting a copy of a copy up to eight times, Terry shows how key functionality deteriorates, with the eighth copy failing to work. Emphasizing the importance of using an original key for duplications, he notes that while a high-quality key machine can handle up to eight copies, average machines might fail after fewer duplications.
Why do keys become unreliable after multiple copies?
Each time a key is copied, minor inaccuracies and imperfections are transferred to the new key. Over successive generations of copying, these small errors accumulate and can lead to a key that no longer fits or turns smoothly in the lock.
How many times can you copy a key before it stops working?
The answer varies depending on the quality of the original key, the accuracy of the key-cutting machine, and the material of the key blank. In our experiment, a high-quality machine allowed us to make up to eight copies before the key stopped working. Most standard machines, however, might only support four or five generations before problems arise.
Can a poorly made original key affect the quality of the copies?
Absolutely. If the original key has any imperfections, those will be magnified with each subsequent copy. Starting with a well-made original key is crucial to ensuring the best possible duplicates.
What should I do if my copied key doesn’t work?
If a copied key doesn’t work, it’s best to have it checked by a professional locksmith. They can determine if the issue is due to wear on the cutting machine, a problem with the key blank, or if it’s simply a matter of making too many generations of copies.
Final Thoughts
The Importance of Professional Locksmith Services
At Mr. Locksmith, we pride ourselves on delivering precise key duplication services. The next time you need a key copy, consider the value of professional expertise. A professional locksmith will have the right tools and experience to ensure your key works perfectly, saving you time and frustration.
From everyone here at Mr. Locksmith, thank you for taking the time to understand why key copies sometimes fail. With the right knowledge and tools, you can ensure your keys remain reliable and functional.
Why Duplicate Keys Fail: Cutting Copies of a Schlage Key
00:00 Introduction to Key Cutting
00:20 Demonstrating the Key Cutting Process
00:39 Cutting Multiple Copies
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