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Corbin Russwin CK4451

Standard Duty Commercial Entrance/Office Knob Lock

Quick Product Details

  • Knobset
  • Standard Duty
  • Entrance/Office Function
SKU: CK4451

Price: $136.00 /each

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This Corbin Russwin CK4451 is a standard duty cylindrical knobset which is ideally suited for quality residential applications as well as light commercial areas. This product meets ANSI/BHMA A156.2 series 4000 Grade 2 requirements. The entrance/office function necessitates a key for entry on the outside knob when the button on the inside is pushed in and rotated. The inside knob is always free.

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Price: $136.00

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Quality and safety:
  • Meets ANSI/BHMA A156.2 series 4000 Grade 2 strength and operational requirements
  • UL listed for A Label and lesser class single doors, 4' x 8'.
  • 1 year limited warranty
  • Deadlocking latch to prevent lock picking by credit card

Special Orders Available:
  • More unlisted finishes available
  • More unlisted knob styles available
  • More unlisted backset options available
Contact us directly to place your special orders.

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Product at A Glance

Style Knob set
Grade Standard duty
Function Entrance or Office Function:
- Key in the outside knob retracts the latch
- Button on inside knob can be pushed in and turned to lock the outside knob
- Inside knob is always free
- ANSI F81
Handing Field reversible
Door Thickness Adjustable from 1-3/8" to 1-3/4"
Backset 2-3/4" (standard)
Strike ANSI curved lip - 4-7/8" x 1-1/4" x 1-1/4" lip (standard)
Latch Stainless steel
Throw 1/2"
Latch Front 2-1/4" x 1-1/8"

Corbin Russwin is a trusted brand that is dedicated to ensuring utmost customer satisfaction by continuously working to bring you products of the highest quality and endurance levels. Corbin Russwin also provides multiple feature and application options with each product to enable flexible mounting in various applications.



Instructions & Templates

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Standard Duty Commercial Entrance/Office Knob Lock

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