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Corbin Russwin CL3351 Extra Heavy-Duty Entrance or Office Lock

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Quick Overview
  • EZ-Install components significantly reduce installation time
  • Lever Release™ lever design for vandal resistance
  • Several security key systems available (Access 3®, Pyramid, etc.)
  • Independent return springs prevent lever sag
  • Covers ANSI/BHMA Door Prep A156.115
List Price: $789.00
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As low as $411.20

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Corbin Russwin CL3351 Extra Heavy-Duty Entrance or Office Lock

The CL3300 series is a Grade 1 Cylindrical Lockset manufactured with the highest quality materials to ensure strength, durability and quiet operation. Available in all standard architectural finishes and four lever designs, the CL3300 series subtly complements any high-use commercial, industrial and institutional application.


  • Deadlocking latchbolt by lever either side, except when turn button locks outside lever.
  • Pushing turn button in locks outside lever, requiring use of key outside to unlock. (Lever handle is freewheeling in locked position.)
  • Turning inside lever unlocks outside lever. Pushing in and turning button locks outside lever, requiring key at all times.
  • Turning inside lever does not unlock outside lever until button is manually.


  • A single lock chassis accommodates 1-3/4" (44mm) to 2-1/4" (57mm) door thickness.
  • Locksets are non-handed.
  • Locksets have separate anti-rotation throughbolts, and have no exposed mounting screws.
  • Locksets have solid cast levers without plastic inserts. Levers operate independently, and have separate inside and outside lever return springs to prevent lever sag. Outside lever handles are a minimum of 4-5/8" (117mm) in length and provide a minimum of 2" (51mm) clearance from the surface of the door to the inside of the lever at the midpoint. Outside lever handles may return to within 1/2" (13mm) of the door surface. Levers on keyed locksets are removable only when the designated key is in the cylinder.
  • When the outside lever is locked, it rotates freely and it returns to its horizontal position when released.
  • A single lockset accommodates 6 or 7-pin conventional cylinders and all levels of master keying, construction master keying, visual key control, security, high security and interchangeable core. Cylinders may be easily changed by removing the lever without disassembling the lockset.
  • A 3/4" (19mm) throw latchbolt for pairs of fire doors are available. All locksets with a 1/2" (13mm) throw latchbolt are listed by Underwriters Laboratories for A label and lesser class single doors, 4' x 10'. All locksets with 3/4" (19mm) throw latchbolt are UL listed for A label and lesser class pairs of doors, 8' x 10'.


More Information
  • Backset: 2-3/4" standardLatchbolt: Stainless Steel, 1/2" (13mm) throw
  • Strike: Wrought brass or stainless steel ANSI curved lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/4" (32mm) lip to center.
  • Door Thickness: 1-3/4" - 2" standard
  • Handing: Non-handed (Except FZD trim)
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Keys: Two nickel silver standard
  • Door Prep: ANSI/BHMA A156.115 (161)
  • Lock Chassis: Steel, zinc dichromated for corrosion resistance
  • Bearing Assembly: Cast and machined stainless steel
  • Front: Wrought brass or stainless steel, 2-1/4" (57mm) x 1-1/8" (29mm). Accommodates flat front doors and doors beveled 1/8" (3mm) in 2" (51mm).
  • Function ANSI: F109
  • Levers: Secured with 6 lobe security set screw standard
  • Roses: Brass
  • Certifications:
    • Federal Specification FF-H-106C
    • ANSI/BHMA A156.2 Series 4000, Grade 1
    • ANSI A117.1 Accessibility Code
    • California State Reference Code (formerly Title 19, California State Fire Marshal Standard)


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