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Backset |
The length from center edge of door to
center of the
facebore, 2 3/8" or 2 3/4" in most
cases....more |
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Dead Latch |
Dual plunger latch used for exterior keyed
entry function locksets. Frequently referred to as "the thingy".
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Deadbolt Latch |
Bolt latch used for deadbolt function
locksets. Frequently referred to as "the thingy".
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Double
Cylinder |
Lockset which is keyed on both sides,
requiring a key to lock or unlock from either side. Most often a deadbolt
but can be a entry knob. |
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Drive-in Latch |
Latch with no mortised faceplate, installed
by driving latch into edge bore. Frequently referred to as "the thingy".
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Edge Bore |
Hole drilled in door edge to to mount latch.
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Entry Function |
Keyed lockset used for exterior entry doors.
Can be knob, lever, deadbolt or handleset. |
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Face Bore |
Hole drilled through door face to to mount
locksets.
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Grade I Security |
Commercial quality lock designed for heavy
use in commercial and public buildings. |
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Grade II Security |
Best residential quality lock, designed and
built to offer excellent security and durability for most residential
applications and some light commercial applications. Grade 2 certification
is highly recommended for acceptable home security.
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Grade III Security |
Minimal acceptable quality for residential
door locks.
The grade of
locksets is based on a series of tests done by ANSI (American National
Standards Institute). These tests determine the durability and level of
security protection of the lock. |
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Half-Dummy Function |
Surface mounted knob or lever for doors
where only a pull is required. No operation. |
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Interconnected |
Lockset system where inside lever or knob simultaneously retracts
latch and deadbolt for quick emergency exit. Required by some local
building codes in specific applications. |
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Keyed Alike |
Where two or more locksets are keyed to use
the same key. |
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Passage Function |
Interior lockset used for closet, hallway
and bedroom doors, both sides are always free to turn. Can be knob or
lever. |
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Patio Function |
Both sides locked or unlocked by push/pull
button inside. Same as Privacy function with no exterior emergency unlock
feature. Used on exterior doors which
normally don't require key entry (patios, balconies, decks, etc.)
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Plain Latch |
Single plunger latch used for interior
passage and privacy function locksets. Frequently referred to as "the
thingy".
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Privacy Function |
Interior lockset used for bathroom and
bedroom doors where privacy is desired. Both sides locked or unlocked by
turn or push button inside. Outside knob can be unlocked by emergency key
provided with new lockset. |
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Rose |
Decorative trim around knob or lever
covering face bore. Also referred to as Rosette and Escutcheon.
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Single Cylinder |
Lockset which is keyed on one side,
requiring a key to lock or unlock from exterior and usually a thumbturn or
pushbutton to unlock from interior. |
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Split Finish |
Interior and exterior finishes of are
different. Used in coordinating different decor in adjoining rooms. |
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Strike |
Mounts in door jamb, receives latch to
secure door.
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