BEST 6K Series Single Dummy Trim Grade 2 Non-Keyed Cylindrical Knob Lock

BEST 6K Series Single Dummy Trim Grade 2 Non-Keyed Cylindrical Knob Lock

Professional Grade 2 Cylindrical Lock Solution

The BEST 6K Series Single Dummy Trim delivers reliable performance for standard traffic commercial applications. This Grade 2 cylindrical knob lock features a 2 1/8" diameter case with 1/2" throw deadlocking latch and accommodates door thickness from 1 3/8" to 1 7/8". Built with brass and bronze components plus corrosion-treated internal steel mechanisms, this lockset exceeds ANSI Grade 2 standards for long-term reliability.

Professional Features & Benefits

• Door Compatibility: Designed for 1 3/8" to 1 7/8" door thickness with 2 1/8" diameter bore for standard installations.
• Grade 2 Performance: Exceeds ANSI Grade 2 standards and BHMA A156.2 Series 4000 Grade 2 listing for commercial applications.
• Durable Construction: Brass and bronze component parts with corrosion-treated internal steel mechanisms for atmospheric protection.
• Quick Rekeying System: BEST interchangeable core allows rapid key changes without lockset removal.
• Concealed Mounting: Snap-on inside rose design eliminates exposed mounting screws for clean appearance.
• Fire Rating Compliance: UL Listed for use on 3-hour A label single doors up to 4' x 8'.
• Reversible Operation: Lockset reversible for either door hand without removing keyed knob components.
• Multiple Backset Options: Available in 2 3/8", 2 3/4", 3 3/4", and 5" backsets for various door configurations.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Duty Level: Medium Duty
• Electronic: No
• Grade: Grade 2
• Handle Type: Knob
• Keyed: No
• Keyed Function: Non-Keyed
• Product Attribute: Cylindrical Locks
• Product Category: Mechanical Locks
• Product Function: Dummy
• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Product Type: Knobsets
• Series: 6K Series
• Standard Latch: 1/2" Throw
• Standard Strike: 2-3/4" x 1-1/8" with Curved Lip
• Subcategory: Bored Locksets

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, 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 BEST Quality?

BEST 6K Series cylindrical locks deliver professional-grade reliability with brass and bronze construction rated to exceed ANSI Grade 2 standards. UL Listed for 3-hour fire rating applications and BHMA certified for commercial use. Engineered for demanding commercial applications where dependable performance and quick rekeying capability are essential.