Schlage Residential FC21 Alexandria Glass Knob by Hobson Glass Knob Passage and Privacy Cylindrical Lock
Dual-Function Residential Lock with Designer Glass Knob Styling
The Schlage Residential FC21 Alexandria Glass Knob by Hobson Glass Knob combines elegant designer styling with versatile dual-function operation for residential applications. This Grade 2 cylindrical lock accommodates door thickness from 1-3/8" to 1-3/4" with dual backset options of 2-3/8" or 2-3/4". The lock features a 1" x 2-1/4" latch with 1/2" throw and includes both passage and privacy functionality in a single unit.
Professional Features & Benefits
- Door Thickness Compatibility: Accommodates 1-3/8" to 1-3/4" doors with dual backset options for 2-3/8" or 2-3/4" installations.
- Dual-Function Operation: Passage is default function with privacy pushbutton conversion on interior side for versatile residential use.
- Emergency Access Feature: Privacy function can be opened from outside with small emergency unlock tool for safety and convenience.
- Professional-Grade Construction: Stainless steel substrate with Grade 2 certification provides reliable performance for residential applications.
- Universal Installation: Dual backset latches fit either 2-3/8" or 2-3/4" backsets with easy 3-step installation requiring only a screwdriver.
- Complete Hardware Package: Includes 1" x 2-1/4" latch with 1/4" radius corner faceplate, circular drive-in, and 1-5/8" x 2-1/4" radius corner full lip strike.
- Designer Glass Styling: Alexandria Glass Knob by Hobson Glass Knob design provides elegant residential aesthetics.
- Manufacturer Warranty: 10 Year warranty coverage for added confidence and protection.
Standard Features
Certification:ANSI/BHMA A156.2-2017 Grade 2
ANSI/BHMA A156.39-2015 Residential Grade AAA
Available UL Listed for 90 minute fire door
Latch: 1"x 2-1/4", 1/4" radius corner faceplate, 1" housing diameter, 1/2" throw, circular drive-in included, universal latch
Strike: 1-5/8" x 2-1/4" radius corner, full lip
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 select appropriate backset (2-3/8" or 2-3/4").
- Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for the cylindrical lock installation.
- Prepare door by drilling required holes per manufacturer specifications for the dual backset latch system.
- Install the spring latch assembly and secure the cylindrical lock components to door per manufacturer torque specifications.
- Adjust operational components for proper alignment and smooth knob operation, ensuring privacy pushbutton functions correctly.
- Test device operation including passage function, privacy conversion, and emergency unlock capability. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Residential Interior Doors
- Bedroom and Bathroom Privacy Applications
- Hall and Closet Passage Functions
- Multi-Family Housing Units
- Residential Renovation Projects
- Custom Home Construction
- Property Management Applications
Why Choose Schlage Residential Quality?
Schlage Residential FC21 cylindrical locks deliver professional-grade reliability with stainless steel construction and Grade 2 certification for demanding residential applications. The dual-function design with emergency unlock capability provides both convenience and safety for homeowners. Backed by a comprehensive 10 Year warranty, this lock is engineered for dependable performance in residential environments where reliable operation is essential.
Manufacturer Resources
Product Specs
- Series:
- FC 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:
- 16-600: Spring Latch, Dual Option (Round, Drive-in)
- Keyed Function:
- Non-Keyed
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Keyed:
- No
- Electronic:
- No
- Commercial/Residential:
- Residential
- Product Function:
- Passage/Hall/Closet
- Function Description:
- Passage is default function; Insert privacy pushbutton on interior side of lock to convert to privacy; Can be opened from outside with small emergency unlock too
- Lock Type:
- Cylindrical
- Product Type:
- Leversets
- Lock Function:
- Passage/Privacy
- Handle Design:
- Alexandria Knob x Hobson Knob
- Handle Type:
- Lever and Knob
- Lever/Knob Design:
- Alexandria Knob x Hobson Knob
- Product Attribute:
- Cylindrical Locks
- Product Model:
- FC21
- Door Hand Direction:
- Non-Handed
- Door Thickness Range:
- 1-3/8" to 1-3/4"
- Product Substrate:
- Stainless Steel
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware