Thumb-latch / Thumbturn. The thumb-latch (or thumbturn) is the part of your deadbolt inside your home that you use to lock and unlock your deadbolt.Deadbolt. The deadbolt is the piece of the lock that secures your door shut.Turnpiece / Tailpiece. … Keyhole.

What are parts of a door lock called?

The main parts of a door lock are the cylinder, bolt, box and strike plate. It’s useful for any DIY-er to know how things around the home operate.

What is a lock strike?

Definition of lock strike : a metal fastening on a doorframe into which the bolt of a lock is projected to secure the door.

What is the thing called that holds a door shut?

The latch is the mechanism that slides into the enge of the door and retracts or protrudes with the turn of the door knob. The latch keeps the door closed and when the knob is turned allows the door to open. A lever or lever handle has the same functionality as a door knob, but has a different appearance.

What is a door handle strike?

The handle is pretty self-explanatory; it’s the device that you grab and turn to open the door. … The door strike is fastened, usually by screws, onto the frame of a doorway, and it is carefully aligned with the lockset in order to give the latch a place to sink into when the door closes.

What is door hinge?

Hinges are the hardware used to attach a door to its frame, and are the pivot point for opening and closing the door. Whether you are replacing an old door or hanging a new one, hinges are an important part of the structure.

What is the metal piece above a door called?

A lintel or I-beam is a piece of steel that spans an opening (e.g., a door or window) and supports the masonry above it.

What is a door latch?

Door latches are a type of mechanical hardware used to fasten doors and keep them shut. A door latch uses a fastener attached to two ordinarily separated surfaces, most often the door and the frame, to prevent the door from swinging while still allowing normal operation when the latch is released.

What is the metal part of a door called?

The strike plate is placed on the door jamb where the hole for the bolt of the door and the bolt meet. It is a small metal plate that is screwed to the door jamb.

What is door edge prep?

Most interior doors are prepped with a single boor hole. … Through the edge of the door there is a 1” cross bore that extends from the edge of the door through the bore hole. This cross bore is where the latch is installed. In addition to the two cross bores, a door can be prepped for one of 3 different types of latches.

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What is solenoid lock?

The solenoid lock denotes a latch for electrical locking and unlocking. The power-on unlocking type enables unlocking only while the solenoid is powered on. … A door with this type is locked and not opened in case of power failure or wire disconnection, ensuring excellent safety.

What is full lip strike?

Full Lip Strike: The full lip strike is the most common. As you can see there are 2 different kinds of full lip strikes: round corner or square. The measurement that this strike plate is showing would be considered the width, because it would be the width if it was on the door jamb.

What is a door striker plate?

Strike Plate This is the plate the latch-tongue, or deadbolt-tongue will connect with. It should sit flush with the door jamb. … Additionally, deadbolts need a strike plate to properly lock.

What is a dead bolt lock?

Deadbolt locks: The deadbolt lock has a bolt that must be activated by a key or. thumb turn. It offers good security because it is not spring activated and cannot be. “jimmied” opened with a knife blade or credit card.

What is a door sash?

A sash is a moveable piece of glass that is used in a window or door. Several sashes are typically joined together to make a frame of glass panels. … A sash can also be used in cabinetry to create unique cabinet doors.

What is the difference between lintel and beam?

The function of the beam is to support the slab resting on it. It also provides support for the floor and ceiling. Whereas the main function of the lintel is to support the masonry wall above the openings like the door, window and transfer its load to sidewalls.

What is the metal strip at the bottom of a door called?

A door sweep is a long strip of metal that holds a seal made of a material such as neoprene, silicone, or a nylon brush. This long strip of metal is surface mounted to the bottom of the door.

What are the parts of a door hinge?

Most hinges consist of three basic parts: leafs, a knuckle and a pin. Leafs are the rectangular-shaped plates on the sides of a hinge. A knuckle is a cyldrical-shaped tube that’s created when the leafs are joined together. A pin is a solid metal rod that’s inserted through the knuckle to interlock the leafs.

What does a flush hinge look like?

A flush hinge is a special type of butt hinge in which one leaf plate fits inside a cutout on the other mounting plate. Therefore, it requires that only one mortise be cut in the door or door frame, offering a space-saving technique.

What are the 4 styles of hinge called?

• Corner hinges. These are typically used on metal cabinets and machine covers and sit flush to the surface. …
• Lift-off hinges. …
• Offset hinges. …
• Piano hinges. …
• Leaf hinges. …
• Concealed hinges. …
• Side hinges. …
• Weld-on hinges.

What is the trim around a front door called?

The two pieces of trim that go on either side of your door are known as “pilasters” while the top piece is called a “lintel”. Sometimes, the entire unit may be referred to as the door casing, with the top piece being known as the header.

What is the trim around a door called?

Casing: Trim used around door and window openings. Exterior casing trims the exterior of windows and doors.

What is the hole in the door called?

A peephole, peekhole, spyhole, doorhole, magic mirror or door viewer, is a small opening through a door allowing the viewer to look from the inside to the outside.

What is a door latch guard?

Door latch guards prevent unauthorized access to the latch bolt on a lock set, which helps deter break-ins and avoid repairs. They are commonly used with mortise and cylindrical lock sets and can be installed in both left- and right-facing applications.

What is a passage latch?

Passage door knobs are similar to dummy door knobs. They don’t lock but are used to open doors and go between rooms. Passage door knobs are ideal for interior hallways, closets and other rooms that don’t need privacy locks. They’re also called unkeyed knobs.

What holds the door to the frame?

Latch. A door latch is a shaft that protrudes from the edge of a door panel and into the door frame securing the panel in place. When the handle is turned, the latch retracts allowing the door to be opened.

What is a lock bore?

Lock Bore The diameter of the hole for the lock body.

What is the cross bore on a door?

The cross bore is the small hole on the edge of the door. The door latch is inserted into the cross bore first. The latch goes through into the large bore hole and then the door knob is mounted The backset is the distance from the edge of the door to the center of the large bore hole.

How do solenoid door locks work?

A solenoid is a small electromagnet that pushes or pulls a plunger that can operate a function. In this case, it holds the strike opening closed or allows the strike opening to swing open, thus allowing the door’s lock latch to open without the lock latch being retracted.

How do you unlock a solenoid?

The solenoid fits in the locking mechanism and, when locked, will expand so the device cannot be unlocked by sheer force. An electromagnetic force, such as a keycard, is needed to tell the solenoid to move, allowing the device to unlock and open.

How does a solenoid actuator work?

The armature moves vertically inside the coil and transmits its motion through the stem to the valve. When current flows through the coil, a magnetic field forms around the coil. … This allows the spring to expand and shut the valve. A major advantage of solenoid actuators is their quick operation.