Falcon K581 Grade 1 Storeroom Cylindrical Lock with Push-Turnbutton Function

Falcon K581 Grade 1 Storeroom Cylindrical Lock with Push-Turnbutton Function

Professional-Grade Cylindrical Lock for High-Traffic Commercial Applications

The Falcon K581 delivers Grade 1 performance for demanding commercial storeroom applications with certified ANSI/BHMA Grade 1 construction and UL10C 3-hour fire rating. This heavy-duty cylindrical lock accommodates door thickness from 1-3/8" to 2-1/4" with a standard 2-3/4" backset and features non-handed operation for versatile installation. Built with pressure-cast solid levers and heavy-wrought brass or bronze roses, the K581 provides reliable security with conventional cylinders or interchangeable core compatibility.

Professional Features & Benefits

• Door Compatibility: Accommodates door thickness from 1-3/8" to 2-1/4" with 2-3/4" backset for standard commercial door preparations.
• Heavy-Duty Construction: Four screws through-bolted design with pressure-cast solid levers and heavy-wrought brass or bronze roses for exceptional durability.
• Grade 1 Certification: ANSI/BHMA A156.2 Series 4000 Grade 1 certified for heavy-duty commercial applications with proven reliability.
• Fire Rating Compliance: UL10C 3-hour A label certification ensures code compliance for fire-rated door applications.
• Clutching Lever Design: Allows lever movement when locked without unlatching the door, preventing chassis damage from forced operation.
• Keying Flexibility: Compatible with conventional cylinders and small format interchangeable cores (SFIC) from Falcon and other manufacturers.
• Non-Handed Installation: Field-reversible design eliminates handing requirements for simplified installation and inventory management.
• Manufacturer Warranty: 10-year warranty coverage for added confidence and long-term protection.

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: Storeroom
• Lock Type: Cylindrical
• Product Attribute: Cylindrical Locks
• Product Category: Mechanical Locks
• Product Function: Storeroom
• Product Group: Mechanical Locks
• Product Model: K581
• 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", standard 2-1/8" bore, and 2-3/4" backset compatibility.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for proper alignment.
3. Prepare door by drilling required 2-1/8" bore hole and 1" latch bore according to manufacturer specifications.
4. Install latch assembly and secure with provided through-bolts using manufacturer torque specifications for optimal strength.
5. Mount exterior and interior lever assemblies ensuring proper alignment and secure attachment of all four through-bolts.
6. Test lock operation including key function, lever operation, and storeroom function to verify proper installation and smooth operation throughout full range of motion. 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 K581 cylindrical locks deliver professional-grade reliability with heavy-duty construction featuring four through-bolted screws and pressure-cast solid levers rated for Grade 1 commercial performance. UL10C 3-hour fire rating and ANSI/BHMA certification ensure code compliance while the 10-year warranty provides long-term protection. Engineered for demanding commercial applications where dependable storeroom security and durability are essential.