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Door Lock Replacement – What Are the Different Parts of a Door Lock? A broken door lock can make your home an easy target for burglars. The change of your lock is an affordable way to increase security without making your doors inaccessible. Many locks come with a cardboard template that you can wrap around your door's edge to ensure it fits properly. This will prevent you from purchasing the wrong lock. The Cylinder The cylinder is the primary element of a door's mechanical lock. It contains a series spring-loaded pins that keep the door shut even when there is no key into the hole. When the key is put into the doorknob the uneven edge pushes up on the pins within the cylinder, fitting them to their correct positions. Once the pins are seated, they alow the bolt, also referred to as the latch, to move forward and engage the door's inside. The bolt extends out of the cylinder and then into the box, a hole that is drilled in the door frame. The box is designed in a way that the bolt cannot be easily pulled out. The bolt retracts by a spring clip when the door closes. When you twist the handle the spindle is designed to rotate inside the cylinder. The bent end retracts into frame of the door once the spindle is finished rotating. The bolt rests in the carved-out area of your doorframe, keeping the door shut until you have to open it again. A faceplate is a metallic plate that attaches to the inside of your door, either side of the deadbolt hole. Its function is to protect the mechanism of locking from damage caused by your knob's repeated removal and insertion. If you're installing a new lock, make sure the faceplate lines up with the hole in the door frame and is securely attached to the plate as well as the latch bore. If you're replacing a door lock be sure that the deadbolt fits correctly by sliding it into the strike plate's opening. When you're finished you can screw the strike plate and the core of your new lock into the hole. Be careful not to over-tighten because this could cause damage to the latch and prevent it from securing in its groove properly. It's a good idea test the new lock by turning the key while it's locked. If you spot any issues, such as a loose latch or a loud deadbolt, it's time to replace your old one with a new lock. The Faceplate A faceplate is a flat plate that mounts to the headstock of a lathe to hold the workpiece. It has a variety of screw holes through it where the screw thread enters from the back and is inserted into the wood. Faceplates can be used to support different shapes, but they are more difficult to utilize than a chuck since they need to be positioned, fixed, and balanced. A typical faceplate comes with several mounting holes, in this case three placed at 120Adeg spacing to accommodate the screws for mounting the workpiece 18 of FIG. 2. The screw holes are made using an interchangeable insert 16 or directly into the faceplate's body. The faceplate has an incline in the middle that acts as an index mark to locate a specific location on the blank workpiece. The stepping region is abrasion resistant so that the fastener does not harm the chisel used to cut into it. The surface of the body of the faceplate has different characteristics from the surrounding area and machining into this region warns the operator of a possible contact with a fastener and gives the turner enough time to react. repairmywindowsanddoors.co.uk used to fix a faceplate should have a small amount of free play in the screw hole. There should be no space left behind the screw when it is tightened on the glue block, since this may allow the block to shift during turning. A larger-gauge screw will also sit more securely into the faceplate. The screw should go through the middle of the screwhole to avoid the possibility that a screwhead might be in contact with the workpiece. The Strike Plate The strike plate is one of the most vital components of your door lock. It is what prevents the bolt from sliding out when you shut the door. The strike plate is also an element that can help increase the lock's strength and prevent burglars from entering using force against the latch bolt and jamb. A strike plate is a heavy metal plate that is installed in the doorjamb (the vertical part of the frame) with a hole for the deadbolt or latch to be able to pass through. When the cylinder is turned, the bolt will shoot out of the strike plate into doorjamb, and it stays closed. There are a variety of strike plates based on the requirements of your. If you require a strikeplate that will fit your lock this article will provide the type of strikeplate you need. The majority of strike plates are identical and can be used with standard latches and lock. Standard strike plates are equipped with ovular screws and an “C”-shaped piece that serves as washer. They are usually used on doors with rounded corners and are available in a variety sizes to fit your door. You can add extra security by installing strike plates with no lip that is designed for deadbolts. This is a good choice for areas that need to be secured quickly, for instance staircases. It's also a great option to secure equipment or documents in your home. Another method to increase the security of your door is to install the box strike plate which adds thickness and reinforcement to the strike plate. This makes it harder to gain entry through the latch or deadbolt, and it's often required for commercial doors equipped with security locks. Spray a lock lubricant on the strike plate if it isn't aligned with the latch bolt. If this doesn't work, then you'll need to adjust the strike plate by drilling new screw holes and enlarging the hole for the catch. It is not recommended to make too many adjustments to the strike plate. Repetitive and extreme adjustments can result in it becoming useless. The Deadbolt A deadbolt lock is an extremely strong metal bolt that secures your door to the doorjamb's frame. Deadbolt locks differ from a spring-latch that is found in doorknobs. Instead of being able to be tied with credit cards or using professional tools such as latch slips, it can be locked using the use of a key, thumb-turn or electronically. They provide better protection against forced entry methods like kick-ins, and they are simple to use and require very little maintenance. The bolt extends through a hole or socket inside the door jamb, which is then reinforced by a strike plate to provide additional security. The bolt should be at least 1 inch long to make it more difficult to remove from the door. It is also crucial to choose a quality deadbolt that has an ANSI rating which signifies how securely the lock has been tested. In addition to securing the bolt, the strike plate holds the cylinder in place. Three holes should be placed along the bolt. One in the middle connects the facepiece to the cylinder, and the other two are on either side of the central hole. These are where the screws go to attach the cylinder to the bolt. The screws should be part of the new deadbolt. Certain locks come with decorative covers which snap onto the facepieces. Follow the directions provided by the manufacturer to ensure that they are correctly installed. Choosing the right lock for your home is contemplating your lifestyle and the security level you need. Single deadbolts with cylinders are the most popular lock and are available on many exterior doors. Keyless deadbolts can be more secure, but they are more difficult to use. Smart deadbolts let you lock and unlock them using voice commands or an application on mobile devices. A professional locksmith can help you determine what type of lock is best for your home, and install or replace it. Upgrade your front door lock system to increase the security of your home. Consider installing a double-cylinder or reversible deadbolt on the side of your front door for an extra layer of security.