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Corbin Russwin CK4455

Standard Duty Commercial Classroom Knob Lock

Quick Product Details

  • Knobset
  • Standard Duty
  • Classroom Function
Price: $204.00 /each

SKU: CK4455

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This Corbin Russwin CK4455 is classroom function cylindrical knobset which can be locked or unlocked with the use of a key on the outside knob, while the inside knob remains free at all times. This lockset is supplied with a 2-3/4" standard backset and it can be special ordered with other backsets as well.

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Price: $204.00

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Choose Finish:

630 - Satin Stainless Steel 630 - Satin Stainless Steel
613 - Oil Robbed Bronze 613 - Oil Robbed Bronze
605 - Polished Brass 605 - Polished Brass

Choose Knob Style:

GWC - Global GWC - Global

Choose Keyway:

L4-0 bitted ready to be keyed
D1-0 bitted ready to be keyed
60-0 bitted ready to be keyed
59A1-0 bitted ready to be keyed
No Cylinder Needed (LC) Subtract -($59.28)


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.

Available Options: Choose Options Above

Product at A Glance

Style Knob set
Grade Standard duty
Function Classroom Function:
- Lockable by key on the outside knob
- Inside knob is always free
- ANSI-F84
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"

More Info

Every school or institution possesses their own specifications that will warrant different kinds of locks on their doors in order to ensure the highest standards of safety and security for the students as well as for the staff members. Corbin Russwin offers a variety of different lock functions to select the right one for your facilities needs.



Instructions & Templates

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