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Commercial Lock Reference

Lock Finishes | Lock Functions | Handing | Mortise Cylinder Cams | Lock Terminology

Lock Finishes

BHMA Code US Code Description Notes
COMMON FINISHES
505/605 US3 Bright Brass  
606 US4 Satin Brass  
609 US5 Antique Brass  
613 US10B Oil Rubbed Bronze Sometimes called Duronic or Duronotic
622 US19 Matte Black  
625 US26 Polished Chrome  
626 US26D Satin Chrome  
630 US32D Satin Stainless Steel  
UNCOMMON FINISHES

Lock Functions

Name Description ANSI Code
CYLINDRICAL LOCKS
Passage Latch retracted by knobs/levers at all times. F75
Privacy Lock Outside knob/lever locked by pushbutton on inside knob/lever. Rotating inside knob/lever or closing door releases/unlocks button. Emergency release in outside knob/lever. F76
Hospital Privacy Lock Latch bolt by knobs. Outside knob locked by push button in inside knob. Rotating inside knob or closing door releases push button. Emergency push button in outside knob unlocks door.
Patio/Inner Office Lock Outside knob/lever locked by pushbutton on inside knob/lever. Rotating inside knob/lever or closing door releases/unlocks button. Deadlocking latchbolt. F77
Communicating Lock Deadlocking latch bolt by knobs. Either knob is locked by turn button in opposite knob. F78
Deadlocking latch bolt by levers except when either lever is locked by key in its own cylinder. F80
Office Lock Turn button locking. Turning button on inside locks outside knob/lever until unlocked by key or by rotating the inside knob/lever. Inside knob/lever always free. Deadlocking latch bolt. F81
Entry Lock Push button locking. Button on inside locks outside knob/lever until unlocked by key or by rotating the inside knob/lever. Inside knob/lever always free. Deadlocking latch bolt. F82
Entry/Office Lock Turn/Push button locking. Pushing and turning button on inside locks outside knob/lever requiring use of a key until button is manually unlocked. Push button locking. Pushing button locks the outside knob/lever until unlocked by key or by turning the inside knob/lever. Inside knob/lever always free. F109
Exit Lock Deadlocking latch bolt by levers except when outside lever is locked by turn button inside. Turn button must be manually unlocked to operate outside lever. Inside lever always free. F83
Exit Lock/Connecting Room Deadlocking latch bolt by inside knob except when locked by key. Nonremovable plate outside (3/8” projection).
Classroom Lock Outside knob/lever locked/unlocked by key in outside knob/lever. Inside knob/lever always free. Deadlocking latchbolt. F84
Classroom Lock With Hold Back Feature Deadlocking latch bolt by knobs. Outside knob is locked by key in outside knob. Inside knob is always free. Latch may be held back by depressing latch and rotating key. F85
Storeroom Lock Outside knob/lever always locked/rigid. Latchbolt retracted by key in outside knob/lever or by rotating inside knob/lever. Inside knob/lever always free. Deadlocking latchbolt. F86
Storeroom (Electrified-Fail Safe) Latch bolt operated by lever from either side except when outer lever is electrically locked. When outer lever is locked (inoperative), latch bolt retracted by key in cylinder outside.
Storeroom (Electrified-Fail Secure) Deadlocking latch bolt operated by lever inside at all times. Outside lever inoperable until electrically unlocked, then latch bolt from either side. When outside lever is operable latch bolt retracted by key in cylinder outside.
Communicating Storeroom For twin communicating or closet doors where one side operation is required or space between doors is limited. Deadlocking latchbolt. Latchbolt operated by key only in inside lever. Inside lever always locked.* Blank rose. Should be used only where rooms have more than one entrance. F112
Asylum Lock Deadlocking latch bolt operated by key in lever from either side. Both levers are always inoperable. F87
Entry/Restroom/Vestibule Lock Deadlocking latch bolt by levers except when outside lever is locked by key inside, then by key outside. F88
Exit Latch Deadlocking latch bolt by inside lever. Outside lever inoperable. F89
Exit Latch/Connecting Room Deadlocking latch bolt by inside knob. Non-removable blank plate outside (3/8” projection).
Dormitory Lock Deadlocking latch bolt by levers except when locked by push button in inside lever. Key in outside lever locks or unlocks outside lever and releases button. Closing door releases push button. Inside lever always free. F90
Store Door Lock Deadlocking latch bolt by levers. Key in either lever locks/unlocks both levers. F91
Service Station Door Lock Deadlocking latch bolt by lever from either side except when outside lever is locked by Universal push button in inside lever. Inside lever always free. When outside lever is locked, latch bolt may be retracted by turning key or rotating inside lever. Turning key, rotating inside lever or closing door releases Universal push button and outside lever, except when Universal push button has been rotated to a position which keeps the outside lever locked at all times. F92
Hotel/Motel Lock Outside knob fixed. Entrance by key only. Push button in inside knob activates visual occupancy indicator, allowing only emergency master key to operate. Rotation of inside spanner button provides lockout feature by keeping indicator projected. F93
Closet Lock Deadlocking latch bolt by turn knob inside or lever outside except when outside lever is locked by key.
Closet Latch Latch bolt by turn knob inside or lever outside at all times.
MORTISE LOCKS
Passage/Closet Latchset Latch bolt by knobs at all times F01
Connecting Room/Exit Latch Deadlocking latch bolt by inside knob. Non-removable blank plate outside.
Privacy Lock Latch bolt by knobs, deadbolt by turn inside or emergency key outside. F02
Entry/Office Lock Deadlocking latch bolt by knobs except when outside knob is locked by buttons in face (edge), then by key outside. F04
Classroom Lock Deadlocking latch bolt by knobs. Outside knob locked by key outside. Inside knob always free. F05
Schoolhouse Safety Deadlock Dead bolt retracted by key outside or turn inside. Dead bolt projected by key outside.
Hospital / Classroom Holdback Latchbolt is retracted by knob or lever from either side unless outside is locked by key outside. Unlocked from outside by key, inside knob or lever is always free for immediate exit. Auxiliary latch deadlocks latchbolt. Latchbolt can be held back in retracted position by key outside. F06
Storeroom/Exit Lock Deadlocking latch bolt by inside knob or key outside. Outside knob rigid. F07
Storeroom w/Hold Back Latch bolt operated by key outside or by operating inside knob. Outside knob is always inoperative. Latch bolt may be held in retracted position by key from outside. Deadlocking latch.
Storeroom-Fail Safe Latch bolt operated by knob from either side except when outer knob is electrically locked. When outer knob is locked, latch bolt retracted by key in cylinder outside. Deadlocking latch.
Storeroom-Fail Secure Latch bolt operated by knob from inside except when outer knob is electrically unlocked, then latch bolt from either side. When locked, key in cylinder outside retracts latch bolt. Deadlocking latch.
Front Door Lock Latch bolt is operated by knob from either side except when outside knob is made inoperative by a stop or mechanical means other than key. Dead bolt is operated by turn inside. Key outside operates both locks. F08
Entry/Restroom Lock Deadlocking latch bolt by knobs except when outside knob is locked by key inside, then by key outside. F09
Asylum Lock Deadlocking latch bolt by key from either side. Both knobs rigid.
Entry/Office Lock/
Dormitory
Latch bolt by knobs except when outside knob is made inoperative by buttons in face. Dead bolt by key outside and turn inside. Rotating inside knob retracts both bolts. Deadlocking latch. F10 F12 F20
Exit Lock Latch bolt operated by knob from either side except when outside knob is made inoperative by buttons in lock face. Deadbolt projected by key from either side. Dead bolt retracted by key from outside. Both bolts retracted by inside knob. Deadlocking latch. F11
Dormitory Lock Latch bolt by knobs except when outside knob is locked by projecting dead bolt. Key outside retracts deadbolt and unlocks outside knob. Rotating inside knob retracts both bolts. F13
Store Door Lock Latch bolt by knobs. Dead bolt by key from either side. F14
Hotel/Motel Lock Deadlocking latch bolt by inside knob or key outside. Outside knob rigid. Dead bolt by turn inside or emergency key outside. Projecting dead bolt displays occupancy indicator and shuts out all keys except emergency. Rotating inside knob retracts both bolts. F15
Deadlock Dead bolt by key from either side. F16
Dead bolt by key outside or turn inside. F17
Deadbolt by key outside. F18
Privacy, Bedroom, or Bath Lock Latch bolt by knobs. Deadbolt by turn from inside and emergency key outside. Rotating inside retracts both bolts. F19
Apartment Corridor Latch bolt retracted by lever from either side unless outside lever is locked (made inoperative) by operating toggle button. Dead bolt projected and retracted by key outside or thumbturn inside. Key outside operates dead bolt and latch bolt, and outside lever remains locked. Operating inside lever retracts both dead bolt and latch bolt simultaneously (when dead bolt is projected), and outside lever remains locked. Latch bolt is deadlocked when outside lever is locked (made inoperative) or when dead bolt is projected. When dead bolt is retracted, outside lever is unlocked by toggle button. Inside lever is always free for immediate exit. F20
Entry/Office Lock Latch bolt by knobs. Dead bolt by key outside or turn inside. F21
Entry Latch bolt by knob both sides except when dead bolt is projected/retracted by key outside or T-turn inside. When dead bolt is projected both inner and outer knob is rigid. Deadlocking latch.
Privacy Lock Latch bolt operated by knob from either side except when outside knob is locked by inside T-turn. Operating inside knob, closing door or operating outside emergency release unlocks outside knob. Emergency tool finished with lock. F22
Double Cylinder-Fail Safe Latch bolt operated by knob from either side except when electrically locked, then both knobs become inoperative. When lock is electrically locked, key in either cylinder retracts latch bolt. Deadlocking latch.
Double Cylinder-Fail Secure Both knobs inoperative except when electrically unlocked, then latch bolt operated by knob from either side. Latch bolt by key in either cylinder when lock is locked. Deadlocking latch.
EXIT DEVICES
Exit Device Exit only/no trim. 01
Entrance by pull/trim when actuating bar is locked down (“Dogged”). Note-Fire Exit devices cannot be locked down. 02
Entrance by trim when latchbolt is retracted by key (pullside). Unit is locked when the key is removed. 03
Entrance by trim when latchbolt is retracted by key (pullside) or set in a retracted position by key. 04
Entrance by thumbpiece. Key (pullside) locks/unlocks thumbpiece. 05
Entrance by thumbpiece only when released by key (pullside). Unit is locked when the key is removed. 06
Entrance by thumbpiece. Inside key (on pushside/on active device case) locks/unlocks thumbpiece. Outside key (pullside) retracts latch. 07
Entrance by knob/lever. Key (pullside) locks/unlocks knob/lever. 08
Entrance by knob/lever with key (pullside) only. Unit is locked when the key is removed. 09
Entrance by knob/lever. Inside key (pushside) locks/unlocks knob/lever. Outside key (pullside) only retracts latch. 10
Entrance by auxiliary control turnpiece. Key (pullside) locks/unlocks auxiliary control. 11
Entrance by auxiliary control turnpiece only when released by turning key (pullside). Unit is locked when the key is removed. 12

Handing

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