2/29/2024 0 Comments Vintage door deadlock metal swivelSingle-cylinder deadbolts should be installed at least 40 inches away from any glass or a window to prevent someone from breaking the glass and turning the thumb turn. They are ideal to use when you want quick access in one direction (such as during an emergency) while restricting access in the other direction. These are the most popular deadbolt used on household front doors and are typically used in conjunction with a doorknob latch lock. This type of lock uses a thumb turn on the inside of the door and a key on the exterior side. The Single-Cylinder Deadbolt Lockįirst up is the single-cylinder deadbolt. They all work pretty much the same, but each has specific characteristics that will affect how well they work in certain situations. There are seven main types of deadbolt locks on the market today. They use a key or thumb turn to engage a bolt that extrudes into the doorframe.ĭeadbolts are commonly used on exterior doors because they provide a high level of security against forced attacks-such as kick-ins. So, if you're interested in effectively upgrading your security, keep reading! What Is a Deadbolt?Ī deadbolt is a locking mechanism that is typically used in conjunction with a doorknob to secure doors. We'll also provide some tips for choosing the most secure deadbolt lock for your needs. In this post, we'll take a look at the most common types of deadbolt locks and discuss how they can benefit you. There are many different types of deadbolt locks available on the market, and each has its own advantages and disadvantages. This includes having the right type of deadbolt locks in place. When you buy through our links, we may earn a commission.Īs a home or business owner, it's important to make sure that your security is up to date. This method is generally found on rim door knobs.We independently review everything we recommend. This is another robust style as one knob attaches to the spindle using a grub screw into the hole and the 2nd door knob is threaded onto the other end and a second grub screw screws into the groove on the threaded end again transmitting the force of closing the door onto the strong spindle rather than the screws holding the rose plate in place. Threaded spindles have a threaded end and generally the other end has a hole for a grub screw. This is a robust method as the knob attaches to the spindle using grub screws that screw into the spindle thereby transmitting the force of closing the door onto the strong spindle rather than the screws holding the rose plate in place. Slotted spindles are slotted to both ends and the door knobs using this spindle will come with grub screws which locate into this slot at any variable point becoming a wedge.ĭrilled and tapped spindles have holes drilled at intervals to either end. These can normally only be used with mortise door knobs (both sides having a fixed rotating rose plate). Plain spindles are a square section length of metal rod that simply slots into the back of a door knob. We now stock Cottage Bun door knobs which have a 7mm spindle and two removable 'collars' meaning the spindle can be adjusted to 7.5mm or 8mm. However, we know that there are a number of latches particularly from the early 20th Century that had a slightly smaller opening, meaning that a 7mm spindle is required. Most UK latch manufacturers produce latch openings at 8mm to accommodate this. The 'standard' thickness of a spindle is 7.6mm. Turning the knob or pushing down on a lever handle will rotate the spindle which in turn makes the latch move back and forth allowing the door to open. It passes through the mortice latch or tubular lock (located within the door) and the two handles slot on either side of the door. A spindle is a rod of metal, square in section, that is used to connect two door knobs together.
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