Difference between PT and PT4 Key | Ask the Experts


We had a customer come into our shop for a key duplication. After talking to the customer we found out they had just gotten 2 keys cut at the local hardware store that did not work in the locks. The customer was hoping he would have better luck at our lock shop. Do you know why it didn’t work?



There are 2 possible reasons the keys did not work:

  1. The key machine at the local hardware store may have not been adjust. These machines must be maintained and adjusted periodically to assure proper duplicating.
  2. The key being duplicated may be one that has been duplicated before. Meaning that as you duplicate a key over and over again it becomes less and less accurate and will eventually will not work in the lock.

After further investigating it was determined that rekeying the locks was in order. With the customers permission we stored the keying information in our key trail software so any future keys cut will be just like the original ones made after rekeying assuring a working key every time.

For additional information or to place an order, contact your local IDN.

In addition to a broad offering of product and service solutions, IDN offers pre-sale and post-sale technical support.  The benefit to you is that we make security simple.  Whether your task is related to high-security systems, electronic access control, door installation, or other, our experts are here to assist.  Just let us know how we can help. 

Do you have a question, or need a quote? Contact your local IDN Branch, or ask the Electronic Access Control Ace through our website.

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