Falcon W511 Grade 2 Entry/Office Knob Lock with 2-3/4" Backset

Falcon W511 Grade 2 Entry/Office Knob Lock with 2-3/4" Backset

Medium-Duty Commercial Cylindrical Lock Solution

The Falcon W511 Entry/Office Knob Lock delivers Grade 2 performance for commercial applications requiring reliable access control. This medium-duty cylindrical lock features a 2-3/4" backset with 1-1/8" x 2-1/4" latch face and accommodates door thickness from 1-3/8" to 1-3/4". UL listed for 3-hour fire door applications and certified to ANSI/BHMA A156.2 Series 4000 Grade 2 standards for proven durability in commercial environments.

Professional Features & Benefits

• Door Compatibility: Accommodates door thickness from 1-3/8" to 1-3/4" with standard 2-3/4" backset for versatile installation options.
• Grade 2 Construction: ANSI/BHMA A156.2 Series 4000 Grade 2 certified construction with heavy-duty torsion springs to prevent knob sag and ensure long-term reliability.
• Fire-Rated Performance: UL listed for 3-hour fire door applications with A label certification for code compliance in commercial buildings.
• Non-Handed Design: Field-reversible operation eliminates the need for disassembly during installation, reducing labor time and simplifying inventory management.
• Interchangeable Core System: Compatible with SFIC cylinders and cores from other manufacturers for convenient re-keying and master key system integration.
• Heavy-Duty Components: Brass and cold-formed steel construction with zinc plating and dichromate finish for rust resistance and durability.
• Standard Latch Configuration: 1/2" throw stainless steel latch with self-adjusting front accommodates both beveled and flat door preparations.
• Manufacturer Warranty: 10-year limited warranty provides long-term protection and confidence in commercial applications.

Technical Specifications

• ANSI/BHMA: F86
• Backset (Distance): 2-3/4"
• Collection: W511 series
• Commercial/Residential: Commercial
• Cylinder and Keyways: G Keyway
• Department: Door Hardware
• Door Hand Direction: Non-Handed
• Duty Level: Medium Duty
• Electronic: No
• Fire Rating: Yes
• Grade: Grade 2
• Handle Type: Knob
• 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: W511
• Product Subgroup: Bored Locksets
• Product Type: Knobsets
• Series: W Series
• Standard Latch: 1/2" Throw
• Standard Strike: ANSI 1-1/4" x 4-7/8" Curved Lip
• 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 from 1-3/8" to 1-3/4" 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 holes for cylindrical lock installation including 2-1/8" cross bore and 1" edge bore.
4. Install lock chassis and secure to door using provided through-bolts and mounting screws per manufacturer torque specifications.
5. Adjust knob operation and latch alignment for proper engagement with strike and smooth operation throughout full rotation.
6. Test lock function including key operation, latch retraction, and knob operation to verify proper installation. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Retail Establishments
• Multi-Family Residential Properties
• Educational Facilities
• Government and Municipal Buildings
• Industrial and Warehouse Facilities
• Healthcare Institution Support Areas

Why Choose Falcon Quality?

Falcon W511 cylindrical locks deliver professional-grade reliability with Grade 2 construction featuring heavy-duty torsion springs and brass components rated for commercial applications. UL listed for 3-hour fire door applications with 10-year limited warranty coverage. Engineered for demanding commercial environments where dependable access control and code compliance are essential.