Door key won't turn in lock -- help plz?

First of all; double cylinder deadbolts like yours are against the building code, where I live. They are now only legal in institutions or prisons.

Secondly; a professional locksmith like myself could have your lock working like new in less than five minutes. It needs some adjustment...not replacement. Due to my oath of secrecy I cannot tell you much more and even if I could, you would likely not understand the terminology, anyway.

Worn keys, worn tumblers or just plain worn out. You really can not fix a lock, even so, it would need to be taken out and if your that far, might as well replace it - If it is a fancy handle and stuff, you can usually only buy the tumblers & keys.

The issues you're conversing approximately are commonplace in a Pontiac from 2000 to present. that's a secure practices function. additionally while you're no longer careful it's going to randomly lock you out of your automobile if the doorways are closed and the vehicle is working. solid success!

Put some oil on the door key and see if that does the trick. locks do dry up inside at some time or other.

Replace the whole bolt and lock.

you need to replace the lock, it is worn out

try a little Graphite power or liquid you can get it at Lowe's, Home Depot or Menard's.