Garage doors that do not operate with a garage door opener use keyed cylinder locks to secure the door.
Replacement garage door lock barrel.
Cylinder locks 185 products a cylinder lock is also commonly known as a pin tumbler due to the way the mechanism functions with a number of internal pins that move around the inside of the cylinder as the key is turned due to the keys serrated edges.
Over time these locks will fail and need replacing.
Locking the garage door when it is down is not necessary since the opener keeps the door from being raised.
These types of locks usually mount in the center of the door and have two bars on the inside of the door that engage into the door tracks when you lock the door.
When locked the cylinder moves lock bars on the door s inside into slots in the sides of the doorjamb keeping it.
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Replace a garage door lock or handle with help from a garage do.