Are all lock cylinders the same?
It may be a bit longer or shorter, and the end may look slightly different depending on the brand of lock. The depth of the cylinder is determined by the depth of the lever, and the end is determined by how the cylinder engages the locking mechanism of the lever.
How does a door lock cylinder work?
In the cylinder lock, the key turns a cylinder, or plug, which turns an attached cam. When the plug is turned one way, the cam pulls in on the bolt and the door can open. When the plug turns the other way, the cam releases the bolt and the spring snaps it into place so the door cannot open.
What is a single cylinder door lock?
Single cylinder locks have only one lock cylinder, as the name implies. Doors outfitted with single cylinders are unlocked with a key from the outside, but do not require a key for unlocking from the interior of the property. Instead, the door is unlocked with a thumbturn-style lever. Double cylinder locks contain two cylinders.
How do you replace a cylinder lock?
Replacing a Storefront Door Lock Cylinder Unscrew and remove the faceplate over the latch. Loosen the set screw near the lock itself. Insert a key into the lock and turn it clockwise to unscrew it. Thread a new lock cylinder into the hole. Insert a mismatching key into the lock and turn it clockwise. Re-tighten the set screw.
What are the parts of a lock cylinder?
Diagram showing the parts of a door lock, including the knob, rose, cylinder, latch assembly, bolt and strike plate. The cylinder, or lock body, is the part of the door lock where you insert the key. When it’s locked, the cylinder engages a series of spring-loaded pins which keep the cylinder from turning.
What is a double cylinder lock set?
Double Cylinder: A mortise entry set where the deadbolt locks by a key on both the outside and inside of the lock. Latch is operated on the outside by a thumb piece, knob or lever and on the interior by a knob or lever.