Hardware Glossary
28 Degree Latch
Backset
Bore
Brass
Bronze
Deadbolt Latch
Door Pull
Door Prep
Double Cylinder
Dummy Function
Drive In Latch
Electronic Lockset
Full Length Entry Set
Handing
Interconnect Device
Key In Lockset
Lost Was Cast
Monolithic Entry Set
Mortise Lock
Multi Point Lock
Passage
Passage/Privacy Latch
Patina
Privacy
Privacy Pin
Projection
Re-keying
Rosette
Sectional Entry Set
Single Cylinder
Spring Hinge
Stainless Steel
Strike Plate
Thumb Press
Thumb Turn
Tubular Lock
Wrought Steel
28 Degree Latch
A latch that requires less rotation on the handle to disengage the latch mechanism. Useful for people with ergonomic concerns, like users who suffer from arthritis.
Backset
The backset is the distance from the edge of the door to the center of the 2-1/8" bore hole. In the U.S. there are two common backsets for residential locks, 2-3/8" and 2-3/4".
Bore
A round hole made using a drill, commonly used in reference to tubular door lock preparations.
Brass
An alloy of copper and zinc, brass is the mark of a high quality product in a market where the use of cheaper alloys is becoming more and more common.
Bronze
Bronze is a metal alloy consisting primarily of copper that is commonly used in decorative metal work. It was particularly in antiquity, giving its name to the Bronze Age.
Deadbore Latch
A non-spring loaded locking mechanism that can only be disengaged by rotating the lock cylinder via key or thumb turn.
Door Prep
The dimensions that a door must be bored or mortised in order for a handle set to be installed.
Door Pull
A fixed pull attached either directly to a door or with a backplate.
Double Cylinder
A deadbolt featuring a key way on the exterior as well as a key way on the interior.
Drive In Latch
A drive-in latch fits into a 1” round hole on the edge of the door and contains no face plate. It does not require any special preparation or mortising.
Dummy Function
Dummy sets have no latch and are surface mounted so you can install a dummy set wherever you choose on the door.
Electronic Locksets
A lockset using a keypad input and a user code to engage or disengage the latch bolt.
Full Length Entry Set
An entry set with a plate that spans the entire length, from the deadbolt to the bottom of the handle grip.
Handing
Levers and some handle grips are either Right handed or Left handed depending on the orientation in which the door opens.
Interconnect Device
The interconnect device provides an emergency egress function on tubular handle sets. When the deadbolt is in the locked position.
Key in Lockset
A knob or lever that includes a keyed cylinder that locks from the face of the hardware set instead of requiring a separate deadbolt and bore hole in the door.
Lost Wax Cast
An ancient practice in which a bronze sculpture (in our case door hardware) is cast from a wax model. The wax model is dipped in a slurry of silica, then more ceramic material is added creating thick walls around the model.
Monolithic Entry Set
An entry set with a plate that spans from the top of the deadbolt to the top of the handle grip.
Mortise Lock
A lockset that fits in a mortised door, featuring a rectangular hole that a mortise lock body slides into.
Multi Point Lock
Door locks that offer multiple latching points with one locking mechanism.
Passage
A handle set without an internal locking mechanism. A passage set is used on a door that doesn't require privacy, for example; living room and a kitchen or closet.
Passage / Privacy Latch
A spring loaded mechanism that slides it's bolt into a strike plate on a door jamb, securing the door shut and disengages when the attached knob or lever is turned.
Patina
An aesthetically pleasing sheen or coloration that signifies a bronze object's age. Patinas are produced by chemical action, oxidization or sulphurization, during the course of time.
Privacy
A handle set with a locking mechanism.
Privacy Pin
A pin that engages the privacy feature on the latch from the interior side of the rosette. Can be disengaged in an emergency by inserting a narrow object (like the end of a paperclip) into the emergency release hole on the exterior rosette.
Projection
The furthest distance and object extends off of a surface, like a door or cabinet.
Re-keying
The changing of a lock’s internal pins in order to make the tumbler combination fit a different key.
Rosette
A decorative trim plate that goes between the knob/lever/handle and door, used in both door and cabinet hardware.
Sectional Entry Set
An entry set with separate plates for the deadbolt and handle grip.
Single Cylinder
A deadbolt featuring a key way on the exterior and thumb turn on the interior.
Spring Hinge
A hinge that has a built in spring that can facilitate the self closing of a door when it is not propped open.
Stainless Steel
A highly corrosion-resistant grade of steel containing Chromium.
Strike Plate
The metal plate installed on the door jamb that receives the latch bolt when the door is closed.
Thumb Press
The flat stub located above the handle on an entry set that disengages the latch bolt.
Thumb Turn
The turn piece located on the inside trim of a deadbolt that engages/disengages the latch mechanism.
Tubular Lock
A lockset requiring bored (round) holes rather than a chiseled rectangular mortise door preparation.
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