Corbin Russwin CK4350 Half Dummy Trim Cylindrical Lock - Grade 1, Global Knob, Non-Keyed

Corbin Russwin CK4350-NONKEYED Half Dummy Trim Cylindrical Knobset - Grade 1, Non-Keyed, Global Knob, Steel-Lined for Impact Resistance

Commercial-Grade Half Dummy Trim for High-Use Institutional and Industrial Applications

The Corbin Russwin CK4350-NONKEYED is a Grade 1 half dummy trim cylindrical knobset from the CK4300 Series, engineered for demanding commercial, industrial, and institutional environments. The knob functions as a pull only with no locking or latching operation, and the knob is rigid throughout use. Designed to accommodate door thicknesses of 1-3/8" to 2" with a 2-3/4" backset, this non-keyed, non-handed unit installs easily across a wide range of door configurations. Internal parts are zinc dichromate plated for corrosion resistance, and the heavy wrought knob features a steel liner for superior impact resistance.

Professional Features & Benefits

• Door Thickness Compatibility: Accommodates doors ranging from 1-3/8" to 2" in thickness, providing versatile fit across standard commercial door applications.
• Backset Specification: Standard 2-3/4" backset ensures compatibility with common door preparations in commercial and institutional settings.
• Strike Dimensions: Includes an ANSI curved lip strike measuring 4-7/8" x 1-1/4" with a 1-1/4" lip to center for precise, code-compliant installation.
• Heavy-Duty Construction: Heavy wrought knobs with a steel liner deliver exceptional impact resistance, making this knobset ideal for high-traffic, high-use environments.
• Corrosion-Resistant Internal Components: Internal parts are zinc dichromate plated to resist corrosion and extend service life in demanding applications.
• Stainless Steel Latchbolt: Features a 1/2" (13mm) stainless steel throw latchbolt for reliable, long-lasting performance.
• Non-Handed Design: Non-handed configuration simplifies installation and reduces inventory requirements for facilities managers and contractors.
• Dummy Trim Function: Knob acts as a pull only with no operation and remains rigid, suitable for inactive door leaves, closets, and decorative applications.
• Manufacturer Warranty: Backed by a 3 Year Limited warranty for added confidence and protection.

Technical Specifications

• Subcategory: Cylindrical Locks
• Product Group: Mechanical Locks
• Series: CK4300 Series
• Grade: Grade 1
• Keyed Function: Non-Keyed
• Warranty: 3 Year Limited
• Product Subgroup: Bored Locksets
• Product Type: Knobsets
• Keyed: No
• Fasteners: Wood and Machine Screws
• Commercial/Residential: Commercial
• Function Description: Knob acts as pull only, no operation. Knob is rigid.
• Lock Type: Cylindrical
• Handle Type: Knob
• Lock Function: Dummy
• Product Attribute: Cylindrical Locks
• Product Model: CK4350
• Product Function: Dummy
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/8" to 2"
• Product Category: Mechanical Locks
• Department: Door Hardware

Professional Applications

• Schools and Educational Facilities
• Hotels and Hospitality Properties
• Apartments and Multi-Tenant Residential Properties
• Hospitals and Nursing Homes
• Churches and Houses of Worship
• Municipal and Government Buildings
• Airports and Transportation Hubs
• Retail Complexes and Commercial Offices
• Industrial and Warehouse Facilities

Why Choose Corbin Russwin Quality?

Corbin Russwin CK4300 Series cylindrical knobsets are built to Grade 1 standards with heavy wrought knobs featuring steel liners for impact resistance and zinc dichromate plated internal components for long-term corrosion resistance. The 1/2" (13mm) stainless steel throw latchbolt and robust construction make this series a trusted choice for the most demanding commercial, industrial, and institutional environments. Backed by a 3 Year Limited warranty, Corbin Russwin delivers professional-grade reliability where dependable performance is essential.