Falcon X581 Heavy Duty Grade 1 Storeroom Cylindrical Lock with Interchangeable Core

Falcon X581 Heavy Duty Grade 1 Storeroom Cylindrical Lock with Interchangeable Core

Professional-Grade Security for Demanding Commercial Applications

The Falcon X581 delivers heavy-duty cylindrical lock performance with Grade 1 certification for the most demanding commercial applications. This storeroom function lock accommodates door thickness from 1-3/8" to 2-1/4" and features interchangeable cores compatible with SFIC products from other manufacturers for convenient re-keying. Built with brass or cold-formed steel construction and available with optional XC stainless steel construction for marine environments, this UL listed lock provides 3-hour fire rating performance.

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.
• Grade 1 Durability: ANSI/BHMA A156.2 Series 4000 Grade 1 certified for maximum durability in high-traffic commercial applications.
• Interchangeable Core System: Quick, convenient re-keying with cores compatible with SFIC products from other manufacturers for flexible key management.
• Heavy-Duty Construction: Brass or cold-formed steel construction with zinc dichromate coating provides exceptional rust resistance and longevity.
• Marine Environment Option: Optional XC construction combines stainless steel and nonferrous chassis with stainless steel trim for superior corrosion resistance in moisture and salt exposure.
• Fire Safety Compliance: UL listed with 3-hour A label fire rating for code compliance in fire-rated door applications.
• Reinforced Rose Design: Heavy-wrought brass, bronze or stainless steel roses over steel through-bolted rose inserts provide added strength and security.
• Manufacturer Warranty: 10-year limited warranty for added confidence and protection in commercial installations.

Technical Specifications

• ANSI/BHMA: F86
• Backset (Distance): 2-3/4",Strike,5185 - Square Corner
• 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
• Fire Rating: Yes
• Grade: Grade 1
• Keyed: Yes
• Keyed Function: Single Cylinder
• Lock Function: Storeroom
• Lock Type: Cylindrical
• Product Attribute: Cylindrical Locks
• Product Category: Mechanical Locks
• Product Function: Storeroom
• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Product Type: Knobsets
• Series: X Series
• 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 range of 1-3/8" to 2-1/4" and 2-3/4" backset requirements.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for cylindrical lock installation.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for proper lock body and strike installation.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications, ensuring proper alignment of through-bolted rose inserts.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion, verifying storeroom function operation.
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
• Government and Military Facilities
• Marine Environment Applications
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties

Design Options & Finishes

The X581 offers multiple knob designs including Hana-Gala, Troy-Gala, Troy-York, Hana-York, Elite-Gala, and Elite-York styles. Available finishes include bright brass (605), satin brass (606), satin bronze (612), oil-rubbed bronze (613), bright chrome (625), satin chrome (626), and satin stainless steel. Abrasive-coated and knurled knobs are available for hazardous area identification to assist handicapped individuals.

Manufacturer Resources

• Falcon X Series Data Sheet
• Falcon Locks Catalog

Why Choose Falcon Quality?

Falcon X Series cylindrical locks deliver professional-grade reliability with heavy-duty brass or cold-formed steel construction certified to ANSI/BHMA Grade 1 standards. The 10-year limited warranty and UL 3-hour fire rating provide added confidence for demanding commercial applications. Engineered for those unique applications requiring knob operation with added strength for security, the X581 combines durability with convenient interchangeable core re-keying capability.