L32 lever
3-15/32” (88mm) SS304 rose
SS304 solid cast, US32D
PRODUCT / Cylindrical Lock
B12 Cylindrical Lock – Entry Lock
The B12 Cylindrical Lock is an entry lock
designed for commercial and institutional doors. Its F81 function provides
key-operated locking from the outside and convenient turn operation from the
inside, making it suitable for controlled access in everyday use.
Featuring a deadlocking latch bolt and full
stainless steel construction, the B12 is engineered for reliable operation,
enhanced security and long-term durability in high-traffic environments.
- Category
- Cylindrical lock
- FUNCTION
- ANSI BHMA A156.2 F81 Entry Lock
01 / OVERVIEW
Overview
Designed and manufactured in accordance
with ANSI/BHMA A156.2 requirements for cylindrical locks, the B12 combines a
compact cylindrical design with practical entry functionality.
The exterior key and interior turn control
the locking function, while the latch bolt is designed to resist unauthorized
manipulation when the door is closed. Full stainless steel construction
provides strength and corrosion resistance for demanding commercial
applications.
Its standard cylindrical lock configuration
supports efficient installation and maintenance across a range of commercial
and multi-family door applications.
Applications
- Commercial office buildings
- Educational facilities
- Healthcare facilities
- Hospitality buildings
- Single-family and multi-family residential properties
- Institutional and public facilities
02 / FEATURE
Feature
F81 Entry Lock Function
Provides key-operated locking from the exterior and turn operation from the
interior for convenient, controlled entry.
Deadlocking Latch Bolt
The deadlocking latch bolt helps resist unauthorized latch manipulation,
enhancing security when the door is closed.
Full Stainless Steel Construction
Stainless steel construction delivers strength, corrosion resistance and
long-term durability in demanding environments.
ANSI/BHMA A156.2 Performance
Designed to meet ANSI/BHMA A156.2 requirements for commercial cylindrical
locks, supporting dependable operation and consistent quality.
Compact, Cost-Effective Design
The cylindrical configuration provides essential entry lock functionality in a
compact design, helping optimize installation efficiency and project value.
Easy Installation and Maintenance
The standard cylindrical lock format supports straightforward installation,
replacement and routine maintenance.
Reliable Operation for High-Use Doors
Designed for frequent use in commercial, institutional and multi-family
settings where dependable entry control is required.
Wide Application Compatibility
Suitable for a variety of commercial and residential door applications
requiring keyed exterior access and interior turn operation.
03 / FUNCTION
Function
| Picture | Model no. | ANSI No. | Function | Description | Lever | Cylinder | Turn button | Push button |
|---|---|---|---|---|---|---|---|---|
|
B12 | F81 | Entry Lock | Deadlocking latch; Both levers retract latchbolt unless outside lever is locked by turn button Inside; Turn button must be released manually; Key retracts latchbolt when outside lever is locked. |
✓ | ✓ | ✓ |
04 / SPECIFICATION
Specification
| Door preparation | ANSI/BHMA A156.115W or A156.115 |
|---|---|
| Door thickness | For doors 1-3/4" (44mm) to 2-1/4" (57mm) thick standard |
| Stile | 4-1/2" (114mm) minimum stile |
| Backset | *Standard backset 2-3/4" (70mm) |
| Function | F81 Entry lock |
| Latch bolt | Rounded corner latch bolt, 17-4PH stainless steel |
| Latch throw | 9/16" (13.6mm) projection, exceeds A156.2 G1 |
| Auxiliary dead latch | 17-4PH stainless steel |
| Face plate | SS304, 2-1/4"×1-1/8"×5/64” (57×28.4×2mm) |
| Latch housing | Brass |
| Lever | SS303 solid cast |
| Rose | SS304 Φ3-15/32" (88mm) round rose |
| Cylinder | A15 profile cylinder C28000 brass body |
| Strike | SS304 2-3/4" curved lip “T” strike |
| Strike box | PA66 |
| Handing | Non-handed |
| Finishing | US32D |
| ANSI/BHMA | ANSI/BHMA A156.2 certified Grade 1 |
| UL listed | UL/cUL 10C listed for 3 hour fire rating |
05 / CONFIGURATION
Configuration
Lever details
Cylinder details
A15 profile cylinder
C28000 brass body, 6 pins
3 pcs of C26000 brass keys, nickel plated.
Strike details
ST-02 Strike
2-3/4" (70mm) curved lip “T” strike SS304.
1-1/4" (32mm) curved lip from center of strike screw holes to end of lip
Thickness 5/64" (2mm)
Strike box 2-11/16"×1-1/8"×1" (69×28.5×26mm), PA6
06 / DOCUMENTS
Documents
07 / REQUEST INFORMATION
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