F51a Geo609ka4 Georgian Keyed Entry Knob, Antique Brass

The Schlage Georgian F51A GEO609KA4 is a keyed entry knob lockset designed for residential single and multi-family entrance doors. This elegant lock combines classic Georgian styling with reliable security, featuring an antique brass finish that complements both traditional and contemporary home designs. The knob is controlled from outside by a removable key and from inside by a turn button, with an emergency exit feature that keeps the interior knob always unlocked for safe panic exit.

This lockset solves the need for a secure, attractive entry lock that installs on standard residential doors without requiring extra parts or complex preparation. The complete hardware assembly arrives ready to install, making it ideal for new construction, renovations, or routine hardware upgrades.

Features and Benefits

• Keyed Outside, Turn Button Inside: The outside knob locks and unlocks with a key, while the inside knob features a turn button with emergency exit capability—the interior knob is always unlocked for safe evacuation.
• Antique Brass Finish: Solid brass trim and wrought brass exposed trim with pressure cast zinc tubular lock housing.
• Key Removable Design: The outside knob cylinder is removable for easy replacement or rekeying without disassembling the entire lock.
• One-Piece Knob Construction: Enhanced security and a polished appearance with a 3-piece assembly that requires no additional hardware.
• Dual Backset Compatibility: Fits either 2-3/8 in or 2-3/4 in door backsets for maximum installation flexibility.
• Commercial Grade Security: Meets ANSI/BHMA A156.2-2011 Commercial Grade 2 and ANSI/BHMA A156.39-2015 Residential Grade AAA standards; available UL listed for 3-hour fire doors.

Specifications

• Brand: Schlage
• Model: F51A GEO609KA4
• Finish: Antique Brass
• Material: Solid brass trim, wrought brass exposed trim, pressure cast zinc tubular lock housing
• Construction: 1-piece knob, 3-piece assembly
• Cylinder: 5-pin tumbler C keyway; includes 2 nickel silver keys
• Door Preparation: 2-1/8 in crossbore, 7/8 in or 1 in edge bore, 1 in x 2-1/4 in latch face
• Latch: 1 in x 2-1/4 in with 1/4 in radius corner faceplate, 7/8 in housing, 1/2 in throw
• Faceplate: 1 in x 2-1/4 in
• Strike: Full lip, 1-5/8 in x 2-1/4 in, no box
• Door Thickness: 1-3/8 to 1-3/4 in
• Backset Options: 2-3/8 in or 2-3/4 in
• Bolt Throw: 1 in

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.