Mortise
A lock designed to be recessed into the door rather than applied to the door’s surface.
Cylindrical
A bored lock with a cylindrical case into which a separate latch bolt case fits.
High Security Keyed Systems
- All high security keyed systems need to have an authorized signature from owner or end-user to purchase keys
- Keys can only be purchased through authorized distributors
- Many high security cylinders also available in UL437 burglary resistant
Interchangeable Core Cylinders (IC Core Cylinders)
- Allows the immediate rekeying of a lock by replacing the cylinder without having to remove the lock from the door
- Cylinder can be removed only with specially designed control key
- Some high security IC cores available
Common Finishes
| BHMA |
US |
DESCRIPTION |
| 605 |
3 |
Bright brass |
| 606 |
4 |
Satin brass |
| 609 |
5 |
Antique brass |
| 612 |
10 |
Satin bronze |
| 613 |
10B |
Oxidized satin bronze, oil rubbed |
| 625 |
26 |
Bright chromium plated |
| 626 |
26D |
Satin chromium plated |
| 628 |
28 |
Satin aluminum, clear anodized |
| 629 |
32 |
Bright stainless steel |
| 630 |
32D |
Satin stainless steel |
Common Functions
*Not all functions are available on all styles and grades of locks. Each manufacturer may have slight variations for the functions described.
|
Outside/Inside |
ANSI No. |
Function Description |
|
Passage
|
F75 |
- Both levers always free
- Latchbolt retracted by lever either side
|
|
Privacy
|
F76 |
- Outside lever locked by inside push button
- Outside lever unlocked by emergency release tool outside, by rotating inside lever or by closing door
- Inside lever always free
|
|
Privacy/Patio
|
F77 |
- Outside lever locked by push button on inside lever
- Outside lever unlocked by rotating inside lever or by closing door
- Inside lever always free
|
|
Office/Entrance
|
F81/82
(F109) |
- Turn/push button locking; pushing and turning button locks outside lever, requiring use of key until button is manually unlocked
- Push button locking; pushing button locks outside lever until unlocked by key or by turning inside lever
- Inside lever always free
|
|
Office/Privacy
|
F82 |
- Outside lever locked by inside push button
- Outside lever unlocked by using key or rotating inside lever
- Inside lever always free
|
|
Classroom
|
F84 |
- Outside lever locked or unlocked by key
- Inside lever always free
|
|
Storeroom
|
F86 |
- Outside lever always locked
- Latchbolt retracted by key in outside lever or by turning inside lever
- Inside lever always free
|
|
Vestibule
|
F88 |
- Outside lever locked or unlocked by key in inside lever
- Key in outside lever only retracts latchbolt
- Inside lever always free
|
|
Communicating
|
F80 |
- Key in either lever locks or unlocks its own lever (independently)
- Function should not be used on rooms which have no other entrance
|
|
Institution or Utility
|
F87 |
- Both levers always locked
- Latchbolt by key in either lever
|
|
Exit
|
F89 |
- Outside lever always fixed
- Inside lever always unlocked
|
|
Corridor Lock
|
F90 |
- Locked or unlocked by key from outside
- Push-button locking from inside. Turning inside lever or closing door releases button
|
|
Store Lock
|
F91 |
- Key in either lever locks or unlocks both levers
|
|
Service Station
|
F92 |
- Outside lever locked by push button on inside
- Outside lever unlocked by using key or rotating inside lever
- Inside lever always free
|
|
Hotel/Motel
|
F93 |
- Push button shuts out all keys except emergency key and projects occupancy indicator in face of cylinder
- Push button released by turning inside lever or by closing door
- Outside lever always locked
- Inside lever always free
|
|
Electrically Locked
(Fail Safe)
|
EL |
- Outside lever continuously locked electrically unless unlocked by key, switch, or power failure
- Auxiliary latch deadlocks latchbolt when door is closed
- Inside lever always free to retract latchbolt
|
|
Electrically Unlocked
(Fail Secure)
|
EU |
- Outside lever inoperable unless unlocked by electrical current or by key
- Auxiliary latch deadlocks latchbolt when door is closed
- Inside lever always free to retract latchbolt
|
