A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z |
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Adjustable
Backset: Mechanism that allows adjusting to fit the most
common distances from the door's edge to the center of the knob
on pre-drilled doors. |
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Backplate: An
escutcheon, typically larger than a rosette, that a knob sits on. |
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Backset: The
distance from the edge of the door to the center of the drilled
knob or deadbolt hole. 2-3/8" is the most common backset;
2-3/4" is the second most common backset. |
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Backset
- Mortise: Mortise locks can come in a variety of backset
options; always consider the width of the backplate or rosette
when purchasing to avoid overlapping the door's edge. |
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Bore: The
diameter of the drilled holes in a door. 2-1/8" is the most
common diameter bore. |
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Collar: A
band, sometimes threaded, that can be used to accommodate doors
of different thicknesses when installing an entrance set or deadbolt. |
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Deadbolt: Locking
mechanism most commonly used for entrance doors. Single cylinder
deadbolts feature exterior keyways and interior thumb turns, while
double cylinder deadbolts feature two keyways. |
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Door
Thickness: The thickness of a door where hardware is to be
installed. Most common door thicknesses are 1-3/8" for interior
doors, and 1-3/4" for entrance doors. About 10% of entrance
doors are 2-1/4" thick. |
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Dummy: A
knob or lever used on a door with no integral latching mechanism.
Commonly used on bi-fold and french doors. Dummy knobs and levers
do not require a standard hole to be drilled in the door, as they
are attached from each side of the door. |
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Emergency
Egress: Another term for Interconnect Device. Allows a quick
exit from your home in case of fire or other emergency. When
installed on a single cylinder entrance set, the deadbolt and
latch will retract with the turn of the interior knob or lever. |
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Escutcheon: Any
trim used behind a knob or lever, or trim for keyholes and such. |
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Face Plate: The
protective covering of the latch or lock system, located in the
door. |
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Finials: Decorative
tips found on hinges and other hardware. |
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Handing: The
way a door swings. Determines how latches and bolts need to be
installed for proper operation. Needed for certain lever sets,
entrance sets, and mortise lock. Left and right hand are most common
for homes. For instructions on how to determine the handing of
your door, view our Handing Help page. |
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Interconnect
Device: Another term for Emergency Egress. Allows a quick
exit from your home in case of fire or other emergency. When
installed on a single cylinder entrance set, the deadbolt and
latch will retract with the turn of the interior knob or lever. |
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Jamb: The
wood frame around the door. The latch catches on a boring in the
jamb, often called the dustbox. Hinges are attached on one side
to the door and on the other side to the jamb. |
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Keyway: Where
the key is inserted and turned to put the lock bolt into the locked
position. Schlage keyways are widely used and can be keyed alike
by a locksmith, if desired. |
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Latch: Moves
in or out with the turn of the knob or lever and either allows
the door to open or holds the door shut. |
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Latch Plate: The
protective covering for the deadbolt or mortise latch housing,
located in the door jamb. |
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Left Handing: Used
to determine latch mechanism placement for lever sets and mortise
lock sets. A door has left handing when the hinges are on the
left side and the door swings inward. Always stand on the outside
of the door to determine handing. |
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Left
Reverse Handing: Used
to determine latch mechanism placement for lever sets and mortise
lock sets. A door has left reverse handing when the hinges are
on the left side and the door swings outward toward you. Reverse
handing is most commonly used for restaurants and other businesses.
Always
stand on the outside
of the door to determine handing. |
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Mortise
Lock Set: A box style lock that is installed directly
into an opening that has been mortised in the side of the door.
A mortise lock houses both the latch and
the deadbolt, making bore spacing particularly important. Signature
Hardware recommends that mortise lock installation be done
by a locksmith. |
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Mortise
Cylinder: A threaded cylinder used specifically for the mortise lock assembly. |
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Offset
Hinge: Used
for cabinets or other furniture pieces where the door projects
out from the frame, requiring an offset to accommodate the
space between the surface of the cabinet frame and the door.
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Passage
Function: Passage
sets are used on doors where no lock system is needed. Interior
door sets often have passage function. |
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Passage
Spindle: The piece of hardware which attached two knobs
through a door, allowing them to turn freely. |
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Privacy
Function: Privacy
sets are used on interior doors where a lock system is needed. Commonly
found on bathroom and bedroom doors, sets with privacy function
typically lock on only one side and have an emergency release
hole on the other. |
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Privacy
Spindle: The piece of hardware which attached two knobs
through a door, allowing them to turn. Privacy spindles have
the capability of allowing turning on one side, while holding
the other side stationary to enforce the privacy lock. |
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Rosette: An
escutcheon, usually round, that a knob or lever sits on.
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Right
Handing: Used
to determine latch mechanism placement for lever sets and mortise
lock sets. A door has right handing when the hinges are on the
right side and the door swings inward. Always stand on the outside
of the door to determine handing. |
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Right
Reverse Handing: Used
to determine latch mechanism placement for lever sets and mortise
lock sets. A door has right reverse handing when the hinges are
on the right side and the door swings outward toward you. Reverse
handing is most commonly used for restaurants and other businesses.
Always
stand on the outside
of the door to determine handing. |
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Spindle: The
piece of hardware which attached two knobs through a door. Comes in
different lengths to accommodate different door thicknesses. Threading
type determines what kind of knob will fit onto the spindle. |
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Strike
Plate: Attached to the door jamb and houses the latch when
the door is closed. Often comes with a lip to protect the door
jamb when a door is closed without turning the knob.
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Threading:
Determines what type of knob can fit onto the spindle.
Check this when building your own entrance or interior set from
old or replacement plates and knobs. |
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