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Door Lock Replacement – What Are the Different Parts of a Door Lock? Door locks that aren't working properly can make your home a target for burglars. Changing your lock can be an inexpensive method to improve security without making your doors unusable. Many locks come with a cardboard template you can wrap around your door's edge to ensure that it will fit properly. This will stop you from purchasing the wrong lock. The Cylinder The cylinder is the main element of a mechanical door lock. It contains a series spring-loaded pins that hold the door closed when there is no key in the hole. When a key is placed into the doorknob the uneven edge presses upwards on the pins inside of the cylinder, allowing them to fit to their correct positions. When the pins are position, they allow the bolt (also called the latch) to move forward, connecting to the inside of your doors. The bolt extends from the cylinder and into the door frame that is called the box. The box is designed to fit the bolt snugly so that it won't be pulled open easily. The bolt is retracted by a clip spring when the door closes. When you twist the handle the spindle is designed to rotate inside the cylinder. When it's done rotating the slanted portion of the bolt is retracted into the doorframe. The bolt rests in the carved-out region of your doorframe, securing the door shut until you have to open it again. A faceplate is a steel plate that is attached to the inside of your door, either side of the deadbolt hole. Its purpose is to shield the mechanism of locking from damage caused by your knob's continual inserting and removal. If you're installing an entirely new lock, ensure that the faceplate aligns with the hole in your door frame, and that it's securely secured to the faceplate and the bore of your latch. When replacing locks on doors make sure that the deadbolt is correctly seated by sliding it in the opening of the strike plate. After you're done you can screw the strike plate and the core of your new lock into place. Be careful not to tighten too much because this could cause damage to the latch and prevent it from fitting into its groove in a proper way. It is a good idea to test the new lock by turning the key while it's locked. If you find any issues, like loose latches or a loud deadbolt it's time to replace the old lock with a new lock. The Faceplate A faceplate is an oversized flat plate that attaches to the lathe's headstock to hold the workpiece. It has a number of screw holes through it where the screw thread passes from the back and winds into the wood. Faceplates can be used to support various shapes but they are more difficult to utilize than a chuck since they must be placed, fixed, and balanced. A typical faceplate comes with several mounting holes, in this instance three holes are positioned at 120Adeg spacing to accept the screws for mounting the workpiece 18 of FIG. 2. These screw holes are machined using an interchangeable insert 16 or directly into the faceplate's body. An intermediate portion of the faceplate is a stepped area that serves as an index mark to locate a specific position on the blank workpiece. The stepping area is abrasion resistant so that the fastener will not damage the chisel that is used to cut into it. The surface of the body of the faceplate is different properties from that of the surrounding region and machining into this region alerts the operator of a possible contact with a fastener, and gives the turner enough time to react. Screws used to secure to a faceplate should have a little free play in the screw hole. When the screw is firmly seated onto the glue block there should be no space behind it. This could allow the block during rotation to shift. It is also a good idea to use a larger gauge screw since it will sit more securely within the faceplate. The screw should go through the middle of the screwhole to prevent the possibility that the screwhead could come into contact with the workpiece. The Strike Plate The strike plate is an essential element of the door lock. The strike plate is what prevents the bolt from slipping when you shut the door. The strike plate can also help to strengthen the lock and stop intruders from breaking in by applying force against the jamb and latch. A strike plate is an large metal plate that is placed in the doorjamb, which is the vertical portion of the frame. It has an opening through which the latch or deadbolt can be inserted. When the cylinder is turned, the bolt shoots out of the strike plate into doorjamb and keeps it closed. There are several different types of strike plates based on your needs. If you require a strikeplate to fit your lock, the information will list the type of strikeplate you need. Most strike plates are the same and work with standard latches and lock. double glazed window lock mechanism replacement of standard strike plates have ovular screw holes and an “C-shaped” piece that functions as washer. They are often used on doors that have rounded corners. They are available in various sizes to fit the door. You can add extra security by using a strike plate with no lip, which is designed for deadbolts. This is a good choice for areas that must be secured quickly, such as stairwells. It's also a great option if you need to protect equipment or documents in your home. Another option to improve the security of your door is by installing a box strike plate, which adds thickness and reinforcement to the strike plate. This makes it much harder to break into the door by using the latch or deadbolt. It's usually required for commercial doors with a security lock. If your strike plate is misaligned with the latch bolt Try spraying it with a high-quality lock lubricant. If this does not work, you'll have to adjust the strikeplate by drilling new screwholes and widening your catch hole. You should not make too many changes to the strike plate. Repeated and drastic adjustments can result in it becoming useless. The Deadbolt A deadbolt is an iron bolt that connects the door to the doorjamb frame. As opposed to a spring-latch that is used in doorknobs which can be tied (jimmied) by credit cards or professional tools like latch slips, deadbolts are locked with keys, thumb turns or electronically (in the case of keyless and smart deadbolts). They are more user-friendly and require less maintenance. They also offer better protection from forced entry methods such as kick-ins. The bolt extends through a socket or hole in the doorjamb that is reinforced by an insulated strike plate to give extra security. The bolt should be minimum of 1 inch of length to make it harder to remove the door. It is also essential to choose a quality deadbolt that has an ANSI rating which indicates how securely the lock has been tested. In addition to securing the bolt the strike plate also helps to hold the cylinder in place. Three holes should be placed along the bolt. One in the middle connects the facepiece to cylinder, and the other two are on either side of the central hole. The screws are inserted in these holes to join the bolt and cylinder. The screws should be included with the new deadbolt. Certain locks come with decorative covers that are attached to the facepieces. Check the instructions of the manufacturer to ensure that these are properly installed. The best lock for your home is taking into consideration your lifestyle and the security level you need. Single cylinder deadbolts, which are the most commonly used lock type can be found on a variety of exterior doors. Keyless deadbolts are more secure however they can be difficult to operate. Smart deadbolts let you lock and unlock them by voice commands or an app on your mobile. A professional locksmith can assist you in determining what kind of lock is appropriate for your home and can install or change the lock. Upgrading your front-door locking system is a cost-effective method to increase the security of your home. To add a layer of security, you could consider adding a reversible or double-cylinder deadbolt on the inside of your door, too.