Schlage Residential F51A Latitude Lever Entry Lock with Single Cylinder Function
Professional Residential Entry Lock Solution
The Schlage Residential F51A Latitude Lever Entry Lock delivers Grade 2 commercial-quality security for residential applications. This single cylinder entry lock features dual backset compatibility for 2-3/8" or 2-3/4" installations and accommodates door thickness from 1-3/8" to 1-3/4". The lock includes a 5-pin C keyway cylinder with keyed alike (KA4) configuration and comes complete with 16211 latch and 10063 strike components for comprehensive installation.
Professional Features & Benefits
- Door Compatibility: Fits door thickness range of 1-3/8" to 1-3/4" with dual backset options for 2-3/8" or 2-3/4" installations.
- Grade 2 Construction: ANSI/BHMA Grade 2 certified with zinc and steel substrate construction for enhanced durability and security performance.
- Keyed Entry Function: Single cylinder operation unlocks when door is opened from inside, with manual turnbutton control and exterior key access for convenient entry and exit.
- Universal Installation: Dual backset latch with 1" x 2-1/4" faceplate, 1/4" radius corner design, and circular drive-in configuration for versatile mounting options.
- Complete Strike System: Includes full lip radius strike measuring 1-5/8" x 2-1/4" with no box design for secure door frame integration.
- Professional Cylinder: 5-pin C keyway cylinder with keyed alike (KA4) configuration includes two keys per lock for immediate use.
- Fire Door Compatibility: Available UL Listed for 3-hour fire door applications (F51A function) meeting commercial fire safety requirements.
- Manufacturer Warranty: 10 Year warranty coverage for added confidence and long-term protection.
Standard Features
Certification: ANSI/BHMA A156.2-2017 Commercial Grade 2; ANSI/BHMA A156.39-2015 Residential Grade AAA; Available UL Listed for 3-hour fire door (F10, F40 (CSV Only), F51A, F80 functions).
Latch: 1"x 2-1/4", 1/4" radius corner faceplate, 7/8" housing diameter, 1/2" throw, circular drive-in included, universal latch
Strike: 1-5/8" x 2-1/4" radius corner, full lip, no box
Backset: Dual backset latches, fits either 2-3/8" or 2-3/4" backsets
Cylinder: 5-Pin, C keyway, keyed alike (KA4)
Door Range: 1-3/8" – 1-3/4"
Keys: Two per lock, 5-pin, C section
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness between 1-3/8" and 1-3/4", and determine appropriate backset (2-3/8" or 2-3/4").
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the cylindrical lock installation.
- Prepare door by drilling the required 2-1/8" cross bore hole and 1" edge bore hole, plus frame preparation for the strike plate installation.
- Install the latch assembly with dual backset configuration, ensuring proper alignment with the door edge and strike location.
- Mount the lock mechanism and exterior/interior lever handles, securing all components per manufacturer torque specifications.
- Test lock operation including key function, interior turnbutton operation, and lever handle movement to verify proper installation and smooth operation throughout the full range of motion. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Residential Entry Doors
- Single-Family Home Security
- Apartment and Condominium Units
- Townhouse and Duplex Properties
- Residential Rental Properties
- Home Office Entry Points
- Multi-Generational Housing
Why Choose Schlage Residential Quality?
Schlage Residential F Series entry locks deliver professional-grade reliability with Grade 2 ANSI/BHMA certification and zinc and steel construction engineered for demanding residential applications. The 10 Year manufacturer warranty provides added confidence for long-term security performance. Designed with easy 3-step installation requiring only a screwdriver, these locks combine commercial-quality construction with residential convenience and style.
ANSI/BHMA Grade 2 rated mechanical knob or lever with solid brass construction and SecureKey re-keyable cylinder. Support Resources: Manuals Hub: Schlage Manuals, Installation Guides & Templates (https://www.schlage.com/en/home/support/installation-manuals-templates.html) || Installation Guides: F-Series Knob and Lever Installation Instructions (https://www.schlage.com/content/dam/sch-us/documents/pdf/installation-manuals/P515-302.pdf) || Door Prep Templates: F10/F40/F51 Knob and Lever Door Prep Template (https://www.schlage.com/content/dam/sch-us/documents/pdf/installation-manuals/P513-593.pdf) || FAQs & Support: Schlage Product FAQs (https://www.schlage.com/en/home/support/faqs.html)Manufacturer Resources
Product Specs
- Series:
- F Series
- Subcategory:
- Bored Locksets
- Grade:
- Grade 2
- Warranty:
- 10 Year
- Standard Strike:
- 10-027: Full Lip Radius Strike, 2-1/4" x 1-5/8"
- Standard Latch:
- 16-086: Dead Latch, Dual Option (Round, Drive-in)
- Keyed Function:
- Single Cylinder
- ANSI/BHMA:
- F81
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Keyed:
- Yes
- Electronic:
- No
- Commercial/Residential:
- Residential
- Function Description:
- Keyed entry function unlocks when door is opened from the inside, allowing you to leave quickly, conveniently and re-enter easily; Locked by inserting key and rotating cylinder from outside, or manually rotating interior turnbutton after exit
- Lock Type:
- Cylindrical
- Lock Function:
- Single Cylinder
- Product Type:
- Bored Locksets
- Handle Type:
- Lever
- Handle Design:
- Latitude Lever
- Lever/Knob Design:
- Latitude Lever
- Product Attribute:
- Cylindrical Locks
- Product Model:
- F51A
- Product Function:
- Entrance
- Door Hand Direction:
- Non-Handed
- Door Thickness Range:
- 1-3/8" to 1-3/4"
- Product Category:
- Mechanical Locks
- Product Substrate:
- Zinc and Steel
- Department:
- Door Hardware