Corbin Russwin CL3851 Grade 2 ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$453.67
$256.27
Corbin Russwin Corbin Russwin CL3851 Entrance/Office Standard-Duty Cylindrical Lever Lock COR-CL3851-KEYED

Corbin Russwin CL3851 Grade 2 Entrance/Office Standard-Duty Cylindrical Lever Lock

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Model: CL3851 NZD 626
$453.67
$256.27
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  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different
  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike
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Corbin Russwin CL3851-KEYED Entrance/Office Cylindrical Lever Lock, Grade 2, ANSI F109, UL 3-Hour Fire Rated

Standard-Duty Commercial Cylindrical Lever Lockset for Entrance and Office Applications

The Corbin Russwin CL3851-KEYED is a standard-duty, Grade 2 cylindrical lever lockset engineered for entrance and office applications in commercial environments. Designed to ANSI function F109, this keyed lock features a deadlocking latchbolt operable by lever from either side, with outside lever control managed by a push turn button. Compatible with doors ranging from 1-3/8" to 1-3/4" in thickness and a standard 2-3/4" backset, the CL3851 is part of the CL3800 Series and carries a UL-cUL 3-hour fire rating along with ANSI/BHMA Grade 2 certification. The most common configuration features the NZD Newport lever in 626 Satin Chrome finish.

Professional Features & Benefits

  • Grade 2 standard-duty lever lockset per ANSI/BHMA A156.2 Series 4000, Grade 2
  • Lever Release freewheeling levers for vandal resistance
  • Solid cast levers with no plastic inserts
  • Thrubolts prevent chassis rotation; ensure alignment, smooth operation and long life
  • Non-handed spring cassette prevents lever sag
  • 1/2" throw latchbolt accommodates 7/8" and 1" edge bore preps
  • 2-3/8", 2-3/4", 3-3/4" and 5" backsets available
  • UL/cUL listed for 3-hour fire doors up to 4' x 10'
  • 14 finishes plus MicroShield® antimicrobial options
  • High Security and security key systems available (Access 3®, Pyramid)
  • Five-year limited warranty

Technical Specifications

  • Grade: ANSI/BHMA A156.2 Series 4000, Grade 2
  • Door Prep: ANSI/BHMA A156.115
  • Handing: Non-handed
  • Door Thickness: 1-3/8" to 1-7/8" (35–48mm) standard; optional 2" 2-1/4" (57mm)
  • Backset: 2-3/4" (70mm) standard; optional 2-3/8", 3-3/4", 5"
  • Latchbolt: Stainless steel, 1/2" (13mm) throw
  • Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8" (standard)
  • Strike: Wrought brass or stainless steel, ANSI curved lip, 4-7/8" x 1-1/4" x 1-1/4" lip to center
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Minimum Stile: 4-1/2" (114mm)
  • Certifications: ANSI/BHMA A156.2 Grade 2; UL/cUL 3-hour fire rating; ADA A117.1; NFPA 80; Windstorm/Hurricane certified
  • Warranty: Five-year limited

Professional Applications

  • Interior Office Environments
  • Commercial Retail Complexes
  • Multi-Family and Multi-Tenant Residential Properties
  • Restaurant and Hospitality Facilities
  • Educational Institutions
  • Healthcare and Medical Office Buildings
  • Closet and Storage Room Access Points

Why Choose Corbin Russwin Quality?

Corbin Russwin CL3800 Series cylindrical lever locksets deliver an outstanding combination of value and performance, meeting ANSI/BHMA Grade 2 certification and carrying a UL-cUL 3-hour fire rating for code-compliant commercial installations. Solid cast levers, a steel substrate with zinc dichromate corrosion resistance, and the proprietary Lever Release™ vandal-resistant design ensure long-term reliability in demanding environments. Backed by a 7 Year Limited warranty, the CL3851 is engineered to provide dependable entrance and office security across a wide range of standard commercial applications.

Manufacturer Resources

Corbin Russwin Condensed Catalog

Product Specs

Subcategory:
Cylindrical Locks
Product Group:
Mechanical Locks
Series:
CL3800 Series
Grade:
Grade 2
Duty Level:
Medium Duty
Keyed Function:
Single Cylinder
Standard Cylinder:
Conventional 6-pin Cylinder, L4 Keyway
Standard Latch:
Deadlatch - Square corner front, 2-1/4" x 1-1/8", 2-3/4" backset
Standard Strike:
ANSI Curved Lip 1-1/4" Lip Length
Warranty:
7 Year Limited
ANSI/BHMA:
F109
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Commercial/Residential:
Commercial
Function Description:
Deadlocking latchbolt (either side). Freewheeling lever action determined by push turn button (engaged vs engaged + turned vs disengaged). Use of outside key required in engaged + turned. Inside lever always free.
Lock Type:
Cylindrical
Handle Type:
Lever
Lock Function:
Entrance/Office
Product Attribute:
Cylindrical Locks
Product Model:
CL3851
Product Function:
Entrance/Office
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/8" to 1-3/4"
Fire Rating:
Yes
Product Category:
Mechanical Locks
Product Substrate:
Steel, Zinc dichromated for corrosion resistance
Backset (Distance):
2-3/4"
Department:
Door Hardware

Parts & Accessories

    Corbin Russwin CL3851 NZD 626 – Frequently Asked Questions

    1) What is the Corbin Russwin CL3851 lever lock used for?
    This is an entrance/office function cylindrical lever lock for standard duty commercial applications. It locks from the outside using a key and can be unlocked from inside with the lever. Ideal for office entries, classroom doors, and similar medium-traffic locations.
    2) What door thickness does the CL3851 fit?
    Standard cylindrical lever locks typically fit 1-3/8" to 1-3/4" thick doors. Always verify your specific door thickness and check the manufacturer's template for exact specifications before ordering.
    3) How do I determine the correct handing for this lock?
    Stand on the outside of the door where the key will be used. If hinges are on your right, it's right-handed. If hinges are on your left, it's left-handed. Most cylindrical locks are reversible in the field.
    4) What finishes are available for the CL3851?
    Corbin Russwin offers multiple finish options including satin chrome, polished chrome, and oil-rubbed bronze. Check the specific product listing for available finishes as options may vary by model and availability.
    5) What grade rating does this lock have?
    Standard duty cylindrical lever locks typically meet ANSI Grade 2 requirements for commercial use. This provides adequate security and durability for medium-traffic applications like office entrances.
    6) Does this lock meet ADA compliance requirements?
    Lever handles generally meet ADA requirements for ease of operation. However, verify that the specific model and installation meet all local accessibility codes including operating force and mounting height requirements.
    7) What key system does the CL3851 use?
    This lock uses a standard 6-pin cylinder system. It can be keyed alike, keyed different, or incorporated into master key systems. Consult with a locksmith for complex keying requirements.
    8) What tools are needed for installation?
    You'll need a 2-1/8" hole saw for the door, 1" spade bit for the edge bore, wood chisel for mortising the latch, screwdriver, and tape measure. Follow the manufacturer's template for precise measurements.
    9) How do I adjust the latch if the door doesn't close properly?
    Check that the latch is fully extended into the strike plate opening. Adjust the strike plate position if needed. Ensure the door is properly aligned and the latch isn't binding in the frame.
    10) What is the backset measurement for this lock?
    Standard backset is typically 2-3/4". Some models offer adjustable backsets or 2-3/8" options. Measure from the door edge to the center of your existing bore hole to determine the correct backset needed.
    11) Are replacement parts available for the CL3851?
    Yes, Corbin Russwin typically stocks replacement cylinders, levers, and internal components. Keep your model number and finish information when ordering parts to ensure proper compatibility.
    12) What are similar models I can consider?
    Other Corbin Russwin CL series locks offer different functions like privacy, passage, or classroom functions. Consider your specific locking requirements when selecting between entrance, office, or other function types.
    How fast can I get the Corbin Russwin CL3851 NZD 626 delivered?
    Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
    Can I return it if it doesn’t work for me?
    Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
    Does the Corbin Russwin CL3851 NZD 626 come with a warranty?
    Absolutely. The Corbin Russwin CL3851 NZD 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
    How do I get technical support or installation help for the Corbin Russwin CL3851 NZD 626?
    You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
    Why buy the Corbin Russwin CL3851 NZD 626 from ZenSupply?
    ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.

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