Falcon B581 Grade 2 Storeroom Cylindrical Lever Lock with Interchangeable Core
Medium-Duty Commercial Lock Solution
The Falcon B581 is a Grade 2 cylindrical lever lock engineered for reliable storeroom function in commercial applications. This medium-duty lock features adjustable door thickness from 1-3/8" to 2" and includes a 2-3/4" backset with interchangeable core compatibility. ANSI/BHMA A156.2 Series 4000 Grade 2 certified and UL listed with 3-hour fire rating, this non-handed design delivers professional security for retail, industrial, and multi-family properties.
Professional Features & Benefits
- Adjustable Door Compatibility: Accommodates door thickness from 1-3/8" to 2" for versatile installation across various door types and construction standards.
- Interchangeable Core System: SFIC compatible cores allow quick re-keying without lock removal and work with cores from other manufacturers for flexible key management.
- Heavy-Duty Construction: Individual heavy-duty springs provide reliable lever return and prevent lever sag, while through-bolted trim with thread sealant prevents loosening.
- Grade 2 Certification: Exceeds ANSI/BHMA A156.2 Series 4000 Grade 2 standards for durability and reliability in medium-duty commercial applications.
- Fire Rating Compliance: UL listed with 3-hour A label fire rating for code-compliant installations in fire-rated openings.
- Non-Handed Design: Eliminates field disassembly requirements for re-handing, simplifying installation and reducing inventory needs.
- ADA Compliant Operation: Meets ADA standards with ergonomic lever design and optional abrasive strip identification for hazardous entrance marking.
- Manufacturer Warranty: 10-year warranty coverage provides long-term protection and confidence in commercial installations.
Technical Specifications
- Backset (Distance): 2-3/4"
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Duty Level: Medium Duty
- Electronic: No
- Grade: Grade 2
- Handle Type: Lever
- 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: Leversets
- Series: B Series
- 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 corner, no box
- Subcategory: Cylindrical Locks
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness compatibility (1-3/8" to 2"), backset requirements, and proper bore hole dimensions.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for cylindrical lock installation.
- Prepare door by drilling required 2-1/8" bore hole and 1" edge bore, ensuring proper alignment and smooth finish for hardware mounting.
- Install latch assembly and strike plate, securing all mounting hardware per manufacturer torque specifications and ensuring proper alignment.
- Mount lever trim assemblies and test lever return spring operation, adjusting as needed for smooth operation and proper lever positioning.
- Test lock operation including key function, lever operation, and storeroom function to verify proper installation and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Retail Store Security and Access Control
- Industrial Facility Interior Doors
- Multi-Family Residential Common Areas
- Government and Municipal Buildings
- Educational Facility Storage Areas
- Commercial Office Building Utility Rooms
- Healthcare Facility Support Areas
Why Choose Falcon Quality?
Falcon B Series cylindrical locks deliver professional-grade reliability with heavy-duty spring mechanisms and through-bolted construction rated to exceed ANSI/BHMA Grade 2 standards. The 10-year manufacturer warranty and UL 3-hour fire rating provide added confidence for demanding commercial applications. Engineered for versatile installation with interchangeable core compatibility and non-handed design, this lock offers the security and convenience required in professional environments.
Manufacturer Resources
Product Specs
- Series:
- B Series
- Subcategory:
- Cylindrical Locks
- Grade:
- Grade 2
- Keyed Function:
- Single Cylinder
- 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 corner, no box
- Keyed:
- Yes
- Duty Level:
- Medium Duty
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Electronic:
- No
- Commercial/Residential:
- Commercial
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Lock Function:
- Storeroom
- Product Attribute:
- Cylindrical Locks
- Product Function:
- Storeroom
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware