Falcon K511 Grade 1 Entrance/Office Cylindrical Lock with Push-Turnbutton Function

Falcon K511 Grade 1 Entrance/Office Cylindrical Lock with Push-Turnbutton Function

Professional-Grade Commercial Door Security Solution

The Falcon K511 Grade 1 cylindrical lock delivers certified ANSI/BHMA Grade 1 performance for entrance and office applications. This heavy-duty lock accommodates door thickness from 1-3/8" to 2-1/4" with a standard 2-3/4" backset and features conventional cylinders compatible with Falcon G keyway and Schlage C keyway systems. Built with brass or steel construction and zinc plating for rust resistance, this lock is UL10C 3-hour A label certified for fire-rated applications.

Professional Features & Benefits

• Door Compatibility: Accommodates door thickness from 1-3/8" to 2-1/4" with 2-3/4" backset for versatile installation options.
• Heavy-Duty Construction: Brass or steel substrate with zinc plating and dichromate coating provides exceptional rust resistance and durability for commercial applications.
• Grade 1 Security Performance: Certified ANSI/BHMA A156.2 Series 4000 Grade 1 rating ensures reliable performance in high-traffic and high-abuse conditions.
• Through-Bolt Security: Four screws through-bolted design provides added strength and tamper resistance for enhanced security.
• Clutching Lever Protection: Clutching lever design allows lever movement when locked without unlatching the door, preventing chassis damage from forced entry attempts.
• Fire Rating Compliance: UL10C 3-hour A label certification meets fire-rated door requirements for code compliance.
• Keying Flexibility: Compatible with conventional cylinders and small format interchangeable cores (SFIC) from Falcon and other manufacturers for versatile key system integration.
• Manufacturer Warranty: 10-year warranty provides long-term protection and confidence in product reliability.

Technical Specifications

• ANSI/BHMA: F109-1
• 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: Entrance/Office
• Lock Type: Cylindrical
• Product Attribute: Cylindrical Locks
• Product Category: Mechanical Locks
• Product Function: Entrance/Office
• Product Group: Mechanical Locks
• Product Model: K511
• 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", stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Falcon Quality?

Falcon K511 cylindrical locks deliver professional-grade reliability with brass or steel construction and zinc plating rated for heavy-duty commercial applications. The certified ANSI/BHMA Grade 1 performance and UL10C 3-hour fire rating ensure dependable operation in demanding environments. Backed by a 10-year manufacturer warranty, this lock is engineered for high-traffic areas where consistent security performance is essential.