Quality and service via our specialist dealers To ensure the quality and service of our products, WILKA products are only obtainable through building hardware dealers or authorized key services. For other uses, see deadbolt (disambiguation). Door with two locks, one in the doorknob and a separate deadbolt. A dead bolt, deadbolt or dead lock is a locking mechanism distinct from a spring bolt lock because a deadbolt cannot be moved to the open position except by rotating the lock cylinder with the key. The more common spring bolt lock uses a spring to hold the bolt in place, allowing retraction by applying force to the bolt itself. A deadbolt can therefore make a door more resistant to entry without the correct key. A deadbolt is often used to complement a spring-bolt lock on an entry door to a building. A deadlock, if it is cylinder operated, may be either single cylinder or double cylinder. A single cylinder deadlock will accept a key on one side of the lock, but is operated by a twist knob on the other side.
Double cylinder locks will accept a key on both sides and therefore do not require (and often do not have) any twist knob. This prevents unwanted unlocking of the door by forced access to the interior twist knob (via a nearby window, for example). Double cylinder locks are sometimes banned from areas because they can be difficult to open from the inside and violate fire safety regulations. Some lock manufacturers also have a "lockable" knob: a key is always needed on one side (usually external), and a twist knob can be used on the other (internal), unless a button has been pressed, in which case a key is also needed on the internal side. A variant of the standard deadbolt is the vertical deadbolt, invented by Samuel Segal. Vertical deadbolts resist jimmying, in which an intruder inserts a pry bar between the door and the jamb and attempts to pry the bolt out of the door. Other types of deadbolts include: The double cylinder design raises a safety issue. In the event of a fire, occupants will be prevented from escaping through double-cylinder locked doors unless the correct key is used.
This is often an avoidable cause of death in house fires.[3] The risk can be mitigated by locking the deadlock only when there are no occupants inside the building, or leaving the key near the keyhole. Some fire departments suggest putting the key on a small nail or screw near the door at floor level, since the cleanest air is at floor level and you may be crawling to get to the exit, thus placing the key where it is easiest to find. Note that single cylinder dead locks (with an unlocked twist mechanism on the inside of the door) do not have this problem, and therefore are most commonly used on fire exits. Some areas have fire safety codes that do not allow a locked exit.5 Things You Need to Know About Getting a Digital Door Lock Never Get Locked Out Again Burglar-Proof your house in 5 Steps An Idea to Stop Slippery Floors at Home Child Proofing Your Home Protecting your home with alarm SystemsShop for Honda Fit Parts Select Vehicle by VIN Select Vehicle by Model
For the most accurate results, search by your VIN (Vehicle Identification Number). Popular Genuine Honda Fit Parts and Accessories Honda FitValve Cover Gasket Honda FitPiston Ring Set See All in Engine > Electrical / Exhaust / Heater / Fuel Honda FitCabin Air Filter Honda FitEngine Control Module See All in Electrical / Exhaust / Heater / Fuel > Honda FitBrake Pad Set Honda FitSway Bar Link Honda FitControl Arm Bushing Honda FitTie Rod End Honda FitSway Bar Bushing Honda FitCoil Spring Insulator See All in Chassis > Honda FitPower Window Switch Honda FitSteering Column Cover Honda FitSeat Heater Switch See All in Interior / Bumper > Body / Air Conditioning Honda FitDoor Lock Actuator Honda FitRear Passenger Door Handle Latch Honda FitDoor Lock Cylinder Honda FitFuel Door Release Cable See All in Body / Air Conditioning > Honda FitAutomatic Transmission Filter
Honda FitBack Up Light Switch See All in Transmission > Honda FitFirst Aid Kit Honda FitDoor Sill Trim See All in Interior Accessories > Honda FitBody Side Molding Honda FitDoor Edge Film Honda FitRear Bumper Applique Honda FitDoor Edge Guard See All in Exterior Accessories > Honda FitEngine Block Heater Honda FitKeyless Entry System Honda FitRemote Engine Starter System Honda FitUSB Audio Interface Honda FitEngine Block Heater Bracket Honda FitRemote Engine Starter Attachment Honda FitRemote Engine Starter Fob Honda FitRemote Engine Starter Transmitter See All in Electronics Accessories > We are excited to annouce the share & like for Facebook contest winners again. Each winner won a Digital Door Lock from us. We have received some great and amazing entries for the contest, thank you for your participation! St Guchi's Products Quality Every product that St Guchi develops or releases for the market has been rigorously tested to our exacting standards and specifically designed to deliver a real solution for your business.
Our customers can have absolute confidence that each St Guchi's product is fit-for-purpose, top quality and durable. St Guchi's Core Values At St Guchi, our vision is to emerge as a driven dynamic organisation offering innovative value added services to our customers and thereby strengthening the business day by day and earning the respect of our customers. We believe in our vision and values. Want to know More?Dorma and Kaba joining forces Dorma and Kaba become dormakaba: your trust in us is our most valuable asset. Dorma and Kaba become dormakaba - a smart step for smart access solutions Dorma and Kaba are now dormakaba. Our merger underscores our passionate commitment to you, our customer. We offer products, solutions and services for secure access to buildings and rooms – now all from a single source. With more than 150 years of experience, we stand for security, sustainability and reliability. And with this foundation we want to remain at your side as a skilled partner.
Smart access solutions for your satisfaction The merger to dormakaba offers you added value in each phase of our collaboration. We are now there for you through every development phase of your building project, enabling the best solutions for your requirements. We aim at developing products, solutions and services that make life for our customers and end-users more simple and secure.With our presence in over 130 countries we operate both globally and locally – we are there wherever you need us. We know the on-site requirements, we listen to our customers and partners, we ask the right questions and consider every aspect to come up with smart, secure access solutions – everything related to doors and secure access to buildings and rooms provided from a single source. Active early in building cycle - Strong in new construction business and service. Active late in building cycle - Strong in replacement, upgrading and project business.We can now offer you an expanded, comprehensive portfolio of services in the fields of security and access to buildings and rooms.