Falcon K561 Grade 1 Classroom Function Cylindrical Lock with Single Cylinder Keying

Falcon K561 Grade 1 Classroom Function Cylindrical Lock with Single Cylinder Keying

Professional-Grade Classroom Security Solution

The Falcon K561 delivers ANSI/BHMA Grade 1 certified performance for demanding classroom applications. This single cylinder cylindrical lock accommodates door thickness from 1-3/8" to 2-1/4" with a standard 2-3/4" backset and features UL10C 3-hour fire rating certification. Built with heavy-duty brass or steel construction and stainless steel springs, the K561 provides reliable security for high-traffic educational environments.

Professional Features & Benefits

• Door Compatibility: Accommodates door thickness from 1-3/8" to 2-1/4" with 2-3/4" backset for versatile installation requirements.
• Heavy-Duty Construction: Brass or steel substrate with zinc plating and dichromate coating provides exceptional rust resistance and durability.
• Grade 1 Certification: ANSI/BHMA A156.2 Series 4000 Grade 1 certified for heavy-duty commercial applications requiring maximum security.
• Fire Safety Compliance: UL10C 3-hour A label fire rating ensures code compliance for fire-rated door assemblies.
• Clutching Lever Design: Allows lever movement when locked without unlatching the door, preventing chassis damage from forced operation.
• Through-Bolt Security: Four screws through-bolted design provides added strength and tamper resistance for institutional applications.
• Universal Installation: Non-handed levers simplify field installation and reduce inventory requirements.
• Manufacturer Warranty: 10-year warranty provides long-term protection and confidence in product reliability.

Technical Specifications

• ANSI/BHMA: F84-1
• Backset (Distance): 2-3/4"
• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/8" to 2-1/4"
• Duty Level: Heavy Duty
• Electronic: No
• Fire Rating: Yes
• Grade: Grade 1
• Keyed: Yes
• Keyed Function: Single Cylinder
• Lock Function: Classroom
• Lock Type: Cylindrical
• Product Attribute: Cylindrical Locks
• Product Category: Mechanical Locks
• Product Function: Classroom
• Product Group: Mechanical Locks
• Product Model: K561
• Product Subgroup: Bored Locksets
• Product Substrate: Brass or Steel, Zinc plated and dichromated for rust resistance. Springs are Stainless Steel.
• Product Type: Knobs and Levers
• Series: K Series
• Standard Cylinder: P - 6-Pin, keyed 5-pin, Falcon G keyway, Keyed different (KD)
• Standard Latch: 1-1/8" x 2-1/4", Square corner faceplate, 1" housing diameter, 1/2" Throw, 2-3/4" backset
• Standard Strike: 1-1/4" x 4-7/8", ANSI, Square curved lip corner, no box
• Subcategory: Cylindrical Locks
• UL Listing Type: UL Listed (3 Hour A Label)

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness between 1-3/8" and 2-1/4", 2-3/4" backset, and proper bore hole dimensions.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the cylindrical lock installation.
3. Prepare door by drilling the required 2-1/8" cross bore and 1" edge bore holes according to ANSI A115.1 standards.
4. Install the latch assembly into the edge bore and secure the strike plate to the door frame using provided hardware.
5. Mount the lock chassis and through-bolt the assembly using the four security screws for maximum strength and tamper resistance.
6. Test lock operation to verify proper latching, lever function, and key operation. Make final adjustments as needed and refer to manufacturer documentation for complete installation details.

Professional Applications

• Educational Facilities and Classrooms
• Institutional Buildings
• Commercial Office Buildings
• Healthcare Facilities
• Government and Municipal Buildings
• Multi-Tenant Residential Properties
• High-Traffic Commercial Environments

Why Choose Falcon Quality?

Falcon K561 cylindrical locks deliver professional-grade reliability with heavy-duty brass or steel construction rated for Grade 1 commercial applications. The UL10C 3-hour fire rating and 10-year manufacturer warranty provide added confidence for demanding institutional environments. Engineered for high-traffic classroom applications where dependable security and durability are essential.